18572180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27150700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 41, 44, 55, 58, 71, 82, 110, 116, 142, 145, 164, 205, 220, 284, 290, 319, 355, 410, 451, 580, 638, 710, 781, 820, 902, 1189, 1276, 1420, 1562, 1595, 1804, 2059, 2255, 2378, 2911, 3124, 3190, 3905, 4118, 4510, 4756, 5822, 5945, 6380, 7810, 8236, 9020, 10295, 11644, 11890, 13079, 14555, 15620, 20590, 22649, 23780, 26158, 29110, 32021, 41180, 45298, 52316, 58220, 64042, 65395, 84419, 90596, 113245, 128084, 130790, 160105, 168838, 226490, 261580, 320210, 337676, 422095, 452980, 640420, 844190, 928609, 1688380, 1857218, 3714436, 4643045, 9286090, 18572180]

約数ペア:

[(1, 18572180), (2, 9286090), (4, 4643045), (5, 3714436), (10, 1857218), (11, 1688380), (20, 928609), (22, 844190), (29, 640420), (41, 452980), (44, 422095), (55, 337676), (58, 320210), (71, 261580), (82, 226490), (110, 168838), (116, 160105), (142, 130790), (145, 128084), (164, 113245), (205, 90596), (220, 84419), (284, 65395), (290, 64042), (319, 58220), (355, 52316), (410, 45298), (451, 41180), (580, 32021), (638, 29110), (710, 26158), (781, 23780), (820, 22649), (902, 20590), (1189, 15620), (1276, 14555), (1420, 13079), (1562, 11890), (1595, 11644), (1804, 10295), (2059, 9020), (2255, 8236), (2378, 7810), (2911, 6380), (3124, 5945), (3190, 5822), (3905, 4756), (4118, 4510)]