18376358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 37836288

約数和(自身を除く): 19459930

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 67, 77, 91, 134, 137, 143, 154, 182, 274, 286, 469, 737, 871, 938, 959, 1001, 1474, 1507, 1742, 1781, 1918, 2002, 3014, 3562, 5159, 6097, 9179, 9581, 10318, 10549, 12194, 12467, 18358, 19162, 19591, 21098, 24934, 39182, 64253, 67067, 100969, 119327, 128506, 134134, 137137, 201938, 238654, 274274, 706783, 835289, 1312597, 1413566, 1670578, 2625194, 9188179, 18376358]

約数ペア:

[(1, 18376358), (2, 9188179), (7, 2625194), (11, 1670578), (13, 1413566), (14, 1312597), (22, 835289), (26, 706783), (67, 274274), (77, 238654), (91, 201938), (134, 137137), (137, 134134), (143, 128506), (154, 119327), (182, 100969), (274, 67067), (286, 64253), (469, 39182), (737, 24934), (871, 21098), (938, 19591), (959, 19162), (1001, 18358), (1474, 12467), (1507, 12194), (1742, 10549), (1781, 10318), (1918, 9581), (2002, 9179), (3014, 6097), (3562, 5159)]