19461220928

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{122663}}^1$

素因数の和:122779

約数の個数: 56

約数和(自身を含む): 40254399552

約数和(自身を除く): 20793178624

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 67, 74, 134, 148, 268, 296, 536, 592, 1072, 1184, 2144, 2368, 2479, 4288, 4958, 9916, 19832, 39664, 79328, 122663, 158656, 245326, 490652, 981304, 1962608, 3925216, 4538531, 7850432, 8218421, 9077062, 16436842, 18154124, 32873684, 36308248, 65747368, 72616496, 131494736, 145232992, 262989472, 290465984, 304081577, 525978944, 608163154, 1216326308, 2432652616, 4865305232, 9730610464, 19461220928]

約数ペア:

[(1, 19461220928), (2, 9730610464), (4, 4865305232), (8, 2432652616), (16, 1216326308), (32, 608163154), (37, 525978944), (64, 304081577), (67, 290465984), (74, 262989472), (134, 145232992), (148, 131494736), (268, 72616496), (296, 65747368), (536, 36308248), (592, 32873684), (1072, 18154124), (1184, 16436842), (2144, 9077062), (2368, 8218421), (2479, 7850432), (4288, 4538531), (4958, 3925216), (9916, 1962608), (19832, 981304), (39664, 490652), (79328, 245326), (122663, 158656)]