18118012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 18653828

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 148, 341, 359, 407, 682, 718, 814, 1147, 1364, 1436, 1628, 2294, 3949, 4588, 7898, 11129, 12617, 13283, 15796, 22258, 25234, 26566, 44516, 50468, 53132, 122419, 146113, 244838, 292226, 411773, 489676, 584452, 823546, 1647092, 4529503, 9059006, 18118012]

約数ペア:

[(1, 18118012), (2, 9059006), (4, 4529503), (11, 1647092), (22, 823546), (31, 584452), (37, 489676), (44, 411773), (62, 292226), (74, 244838), (124, 146113), (148, 122419), (341, 53132), (359, 50468), (407, 44516), (682, 26566), (718, 25234), (814, 22258), (1147, 15796), (1364, 13283), (1436, 12617), (1628, 11129), (2294, 7898), (3949, 4588)]