18284420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 49545216

約数和(自身を除く): 31260796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 383, 385, 434, 620, 682, 766, 770, 868, 1085, 1364, 1532, 1540, 1705, 1915, 2170, 2387, 2681, 3410, 3830, 4213, 4340, 4774, 5362, 6820, 7660, 8426, 9548, 10724, 11873, 11935, 13405, 16852, 21065, 23746, 23870, 26810, 29491, 42130, 47492, 47740, 53620, 58982, 59365, 83111, 84260, 117964, 118730, 130603, 147455, 166222, 237460, 261206, 294910, 332444, 415555, 522412, 589820, 653015, 831110, 914221, 1306030, 1662220, 1828442, 2612060, 3656884, 4571105, 9142210, 18284420]

約数ペア:

[(1, 18284420), (2, 9142210), (4, 4571105), (5, 3656884), (7, 2612060), (10, 1828442), (11, 1662220), (14, 1306030), (20, 914221), (22, 831110), (28, 653015), (31, 589820), (35, 522412), (44, 415555), (55, 332444), (62, 294910), (70, 261206), (77, 237460), (110, 166222), (124, 147455), (140, 130603), (154, 118730), (155, 117964), (217, 84260), (220, 83111), (308, 59365), (310, 58982), (341, 53620), (383, 47740), (385, 47492), (434, 42130), (620, 29491), (682, 26810), (766, 23870), (770, 23746), (868, 21065), (1085, 16852), (1364, 13405), (1532, 11935), (1540, 11873), (1705, 10724), (1915, 9548), (2170, 8426), (2387, 7660), (2681, 6820), (3410, 5362), (3830, 4774), (4213, 4340)]