19481490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 62068032

約数和(自身を除く): 42586542

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 107, 119, 126, 153, 170, 210, 214, 238, 255, 289, 306, 315, 321, 357, 510, 535, 578, 595, 630, 642, 714, 749, 765, 867, 963, 1070, 1071, 1190, 1445, 1498, 1530, 1605, 1734, 1785, 1819, 1926, 2023, 2142, 2247, 2601, 2890, 3210, 3570, 3638, 3745, 4046, 4335, 4494, 4815, 5202, 5355, 5457, 6069, 6741, 7490, 8670, 9095, 9630, 10115, 10710, 10914, 11235, 12138, 12733, 13005, 13482, 16371, 18190, 18207, 20230, 22470, 25466, 26010, 27285, 30345, 30923, 32742, 33705, 36414, 38199, 54570, 60690, 61846, 63665, 67410, 76398, 81855, 91035, 92769, 114597, 127330, 154615, 163710, 182070, 185538, 190995, 216461, 229194, 278307, 309230, 381990, 432922, 463845, 556614, 572985, 649383, 927690, 1082305, 1145970, 1298766, 1391535, 1948149, 2164610, 2783070, 3246915, 3896298, 6493830, 9740745, 19481490]

約数ペア:

[(1, 19481490), (2, 9740745), (3, 6493830), (5, 3896298), (6, 3246915), (7, 2783070), (9, 2164610), (10, 1948149), (14, 1391535), (15, 1298766), (17, 1145970), (18, 1082305), (21, 927690), (30, 649383), (34, 572985), (35, 556614), (42, 463845), (45, 432922), (51, 381990), (63, 309230), (70, 278307), (85, 229194), (90, 216461), (102, 190995), (105, 185538), (107, 182070), (119, 163710), (126, 154615), (153, 127330), (170, 114597), (210, 92769), (214, 91035), (238, 81855), (255, 76398), (289, 67410), (306, 63665), (315, 61846), (321, 60690), (357, 54570), (510, 38199), (535, 36414), (578, 33705), (595, 32742), (630, 30923), (642, 30345), (714, 27285), (749, 26010), (765, 25466), (867, 22470), (963, 20230), (1070, 18207), (1071, 18190), (1190, 16371), (1445, 13482), (1498, 13005), (1530, 12733), (1605, 12138), (1734, 11235), (1785, 10914), (1819, 10710), (1926, 10115), (2023, 9630), (2142, 9095), (2247, 8670), (2601, 7490), (2890, 6741), (3210, 6069), (3570, 5457), (3638, 5355), (3745, 5202), (4046, 4815), (4335, 4494)]