18335940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 40934460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 293, 298, 420, 447, 586, 596, 745, 879, 894, 1043, 1172, 1465, 1490, 1758, 1788, 2051, 2086, 2235, 2930, 2980, 3129, 3516, 4102, 4172, 4395, 4470, 5215, 5860, 6153, 6258, 8204, 8790, 8940, 10255, 10430, 12306, 12516, 15645, 17580, 20510, 20860, 24612, 30765, 31290, 41020, 43657, 61530, 62580, 87314, 123060, 130971, 174628, 218285, 261942, 305599, 436570, 523884, 611198, 654855, 873140, 916797, 1222396, 1309710, 1527995, 1833594, 2619420, 3055990, 3667188, 4583985, 6111980, 9167970, 18335940]

約数ペア:

[(1, 18335940), (2, 9167970), (3, 6111980), (4, 4583985), (5, 3667188), (6, 3055990), (7, 2619420), (10, 1833594), (12, 1527995), (14, 1309710), (15, 1222396), (20, 916797), (21, 873140), (28, 654855), (30, 611198), (35, 523884), (42, 436570), (60, 305599), (70, 261942), (84, 218285), (105, 174628), (140, 130971), (149, 123060), (210, 87314), (293, 62580), (298, 61530), (420, 43657), (447, 41020), (586, 31290), (596, 30765), (745, 24612), (879, 20860), (894, 20510), (1043, 17580), (1172, 15645), (1465, 12516), (1490, 12306), (1758, 10430), (1788, 10255), (2051, 8940), (2086, 8790), (2235, 8204), (2930, 6258), (2980, 6153), (3129, 5860), (3516, 5215), (4102, 4470), (4172, 4395)]