18345645

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13151}}^1$

素因数の和:13193

約数の個数: 24

約数和(自身を含む): 32827392

約数和(自身を除く): 14481747

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13151, 39453, 65755, 118359, 197265, 407681, 591795, 1223043, 2038405, 3669129, 6115215, 18345645]

約数ペア:

[(1, 18345645), (3, 6115215), (5, 3669129), (9, 2038405), (15, 1223043), (31, 591795), (45, 407681), (93, 197265), (155, 118359), (279, 65755), (465, 39453), (1395, 13151)]