18841844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 21316876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 331, 428, 532, 662, 749, 1324, 1498, 2033, 2317, 2996, 4066, 4634, 6289, 8132, 9268, 12578, 14231, 25156, 28462, 35417, 44023, 56924, 70834, 88046, 141668, 176092, 247919, 495838, 672923, 991676, 1345846, 2691692, 4710461, 9420922, 18841844]

約数ペア:

[(1, 18841844), (2, 9420922), (4, 4710461), (7, 2691692), (14, 1345846), (19, 991676), (28, 672923), (38, 495838), (76, 247919), (107, 176092), (133, 141668), (214, 88046), (266, 70834), (331, 56924), (428, 44023), (532, 35417), (662, 28462), (749, 25156), (1324, 14231), (1498, 12578), (2033, 9268), (2317, 8132), (2996, 6289), (4066, 4634)]