18903490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 37488384

約数和(自身を除く): 18584894

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 211, 289, 310, 422, 527, 578, 1054, 1055, 1445, 2110, 2635, 2890, 3587, 5270, 6541, 7174, 8959, 13082, 17918, 17935, 32705, 35870, 44795, 60979, 65410, 89590, 111197, 121958, 222394, 304895, 555985, 609790, 1111970, 1890349, 3780698, 9451745, 18903490]

約数ペア:

[(1, 18903490), (2, 9451745), (5, 3780698), (10, 1890349), (17, 1111970), (31, 609790), (34, 555985), (62, 304895), (85, 222394), (155, 121958), (170, 111197), (211, 89590), (289, 65410), (310, 60979), (422, 44795), (527, 35870), (578, 32705), (1054, 17935), (1055, 17918), (1445, 13082), (2110, 8959), (2635, 7174), (2890, 6541), (3587, 5270)]