19591110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 64235808

約数和(自身を除く): 44644698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 257, 315, 330, 363, 385, 462, 495, 514, 605, 630, 693, 726, 770, 771, 847, 990, 1089, 1155, 1210, 1285, 1386, 1542, 1694, 1799, 1815, 2178, 2310, 2313, 2541, 2570, 2827, 3465, 3598, 3630, 3855, 4235, 4626, 5082, 5397, 5445, 5654, 6930, 7623, 7710, 8470, 8481, 8995, 10794, 10890, 11565, 12705, 14135, 15246, 16191, 16962, 17990, 19789, 23130, 25410, 25443, 26985, 28270, 31097, 32382, 38115, 39578, 42405, 50886, 53970, 59367, 62194, 76230, 80955, 84810, 93291, 98945, 118734, 127215, 155485, 161910, 178101, 186582, 197890, 217679, 254430, 279873, 296835, 310970, 356202, 435358, 466455, 559746, 593670, 653037, 890505, 932910, 1088395, 1306074, 1399365, 1781010, 1959111, 2176790, 2798730, 3265185, 3918222, 6530370, 9795555, 19591110]

約数ペア:

[(1, 19591110), (2, 9795555), (3, 6530370), (5, 3918222), (6, 3265185), (7, 2798730), (9, 2176790), (10, 1959111), (11, 1781010), (14, 1399365), (15, 1306074), (18, 1088395), (21, 932910), (22, 890505), (30, 653037), (33, 593670), (35, 559746), (42, 466455), (45, 435358), (55, 356202), (63, 310970), (66, 296835), (70, 279873), (77, 254430), (90, 217679), (99, 197890), (105, 186582), (110, 178101), (121, 161910), (126, 155485), (154, 127215), (165, 118734), (198, 98945), (210, 93291), (231, 84810), (242, 80955), (257, 76230), (315, 62194), (330, 59367), (363, 53970), (385, 50886), (462, 42405), (495, 39578), (514, 38115), (605, 32382), (630, 31097), (693, 28270), (726, 26985), (770, 25443), (771, 25410), (847, 23130), (990, 19789), (1089, 17990), (1155, 16962), (1210, 16191), (1285, 15246), (1386, 14135), (1542, 12705), (1694, 11565), (1799, 10890), (1815, 10794), (2178, 8995), (2310, 8481), (2313, 8470), (2541, 7710), (2570, 7623), (2827, 6930), (3465, 5654), (3598, 5445), (3630, 5397), (3855, 5082), (4235, 4626)]