18881730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 62270208

約数和(自身を除く): 43388478

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 41, 42, 43, 45, 51, 63, 70, 82, 85, 86, 90, 102, 105, 119, 123, 126, 129, 153, 170, 205, 210, 215, 238, 246, 255, 258, 287, 301, 306, 315, 357, 369, 387, 410, 430, 510, 574, 595, 602, 615, 630, 645, 697, 714, 731, 738, 765, 774, 861, 903, 1071, 1190, 1230, 1290, 1394, 1435, 1462, 1505, 1530, 1722, 1763, 1785, 1806, 1845, 1935, 2091, 2142, 2193, 2583, 2709, 2870, 3010, 3485, 3526, 3570, 3655, 3690, 3870, 4182, 4305, 4386, 4515, 4879, 5117, 5166, 5289, 5355, 5418, 6273, 6579, 6970, 7310, 8610, 8815, 9030, 9758, 10234, 10455, 10578, 10710, 10965, 12341, 12546, 12915, 13158, 13545, 14637, 15351, 15867, 17630, 20910, 21930, 24395, 24682, 25585, 25830, 26445, 27090, 29274, 29971, 30702, 31365, 31734, 32895, 37023, 43911, 46053, 48790, 51170, 52890, 59942, 61705, 62730, 65790, 73185, 74046, 76755, 79335, 87822, 89913, 92106, 111069, 123410, 146370, 149855, 153510, 158670, 179826, 185115, 209797, 219555, 222138, 230265, 269739, 299710, 370230, 419594, 439110, 449565, 460530, 539478, 555345, 629391, 899130, 1048985, 1110690, 1258782, 1348695, 1888173, 2097970, 2697390, 3146955, 3776346, 6293910, 9440865, 18881730]

約数ペア:

[(1, 18881730), (2, 9440865), (3, 6293910), (5, 3776346), (6, 3146955), (7, 2697390), (9, 2097970), (10, 1888173), (14, 1348695), (15, 1258782), (17, 1110690), (18, 1048985), (21, 899130), (30, 629391), (34, 555345), (35, 539478), (41, 460530), (42, 449565), (43, 439110), (45, 419594), (51, 370230), (63, 299710), (70, 269739), (82, 230265), (85, 222138), (86, 219555), (90, 209797), (102, 185115), (105, 179826), (119, 158670), (123, 153510), (126, 149855), (129, 146370), (153, 123410), (170, 111069), (205, 92106), (210, 89913), (215, 87822), (238, 79335), (246, 76755), (255, 74046), (258, 73185), (287, 65790), (301, 62730), (306, 61705), (315, 59942), (357, 52890), (369, 51170), (387, 48790), (410, 46053), (430, 43911), (510, 37023), (574, 32895), (595, 31734), (602, 31365), (615, 30702), (630, 29971), (645, 29274), (697, 27090), (714, 26445), (731, 25830), (738, 25585), (765, 24682), (774, 24395), (861, 21930), (903, 20910), (1071, 17630), (1190, 15867), (1230, 15351), (1290, 14637), (1394, 13545), (1435, 13158), (1462, 12915), (1505, 12546), (1530, 12341), (1722, 10965), (1763, 10710), (1785, 10578), (1806, 10455), (1845, 10234), (1935, 9758), (2091, 9030), (2142, 8815), (2193, 8610), (2583, 7310), (2709, 6970), (2870, 6579), (3010, 6273), (3485, 5418), (3526, 5355), (3570, 5289), (3655, 5166), (3690, 5117), (3870, 4879), (4182, 4515), (4305, 4386)]