18973890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16217}}^1$

素因数の和:16243

約数の個数: 48

約数和(自身を含む): 53130168

約数和(自身を除く): 34156278

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16217, 32434, 48651, 81085, 97302, 145953, 162170, 210821, 243255, 291906, 421642, 486510, 632463, 729765, 1054105, 1264926, 1459530, 1897389, 2108210, 3162315, 3794778, 6324630, 9486945, 18973890]

約数ペア:

[(1, 18973890), (2, 9486945), (3, 6324630), (5, 3794778), (6, 3162315), (9, 2108210), (10, 1897389), (13, 1459530), (15, 1264926), (18, 1054105), (26, 729765), (30, 632463), (39, 486510), (45, 421642), (65, 291906), (78, 243255), (90, 210821), (117, 162170), (130, 145953), (195, 97302), (234, 81085), (390, 48651), (585, 32434), (1170, 16217)]