19985473310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1\times {\mathrm{2003}}^1$

素因数の和:3569

約数の個数: 64

約数和(自身を含む): 39934301184

約数和(自身を除く): 19948827874

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 1487, 2003, 2974, 3355, 4006, 6710, 7435, 10015, 14870, 16357, 20030, 22033, 32714, 44066, 81785, 90707, 110165, 122183, 163570, 181414, 220330, 244366, 453535, 610915, 907070, 997777, 1221830, 1344013, 1995554, 2688026, 2978461, 4988885, 5956922, 6720065, 9977770, 13440130, 14892305, 29784610, 32763071, 65526142, 163815355, 181686121, 327630710, 363372242, 908430605, 1816861210, 1998547331, 3997094662, 9992736655, 19985473310]

約数ペア:

[(1, 19985473310), (2, 9992736655), (5, 3997094662), (10, 1998547331), (11, 1816861210), (22, 908430605), (55, 363372242), (61, 327630710), (110, 181686121), (122, 163815355), (305, 65526142), (610, 32763071), (671, 29784610), (1342, 14892305), (1487, 13440130), (2003, 9977770), (2974, 6720065), (3355, 5956922), (4006, 4988885), (6710, 2978461), (7435, 2688026), (10015, 1995554), (14870, 1344013), (16357, 1221830), (20030, 997777), (22033, 907070), (32714, 610915), (44066, 453535), (81785, 244366), (90707, 220330), (110165, 181414), (122183, 163570)]