17749940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 40452048

約数和(自身を除く): 22702108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 293, 466, 586, 932, 1165, 1172, 1465, 2330, 2930, 3029, 3809, 4660, 5860, 6058, 7618, 12116, 15145, 15236, 19045, 30290, 38090, 60580, 68269, 76180, 136538, 273076, 341345, 682690, 887497, 1365380, 1774994, 3549988, 4437485, 8874970, 17749940]

約数ペア:

[(1, 17749940), (2, 8874970), (4, 4437485), (5, 3549988), (10, 1774994), (13, 1365380), (20, 887497), (26, 682690), (52, 341345), (65, 273076), (130, 136538), (233, 76180), (260, 68269), (293, 60580), (466, 38090), (586, 30290), (932, 19045), (1165, 15236), (1172, 15145), (1465, 12116), (2330, 7618), (2930, 6058), (3029, 5860), (3809, 4660)]