18754260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6379}}^1$

素因数の和:6405

約数の個数: 72

約数和(自身を含む): 61094880

約数和(自身を除く): 42340620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6379, 12758, 19137, 25516, 31895, 38274, 44653, 63790, 76548, 89306, 95685, 127580, 133959, 178612, 191370, 223265, 267918, 312571, 382740, 446530, 535836, 625142, 669795, 893060, 937713, 1250284, 1339590, 1562855, 1875426, 2679180, 3125710, 3750852, 4688565, 6251420, 9377130, 18754260]

約数ペア:

[(1, 18754260), (2, 9377130), (3, 6251420), (4, 4688565), (5, 3750852), (6, 3125710), (7, 2679180), (10, 1875426), (12, 1562855), (14, 1339590), (15, 1250284), (20, 937713), (21, 893060), (28, 669795), (30, 625142), (35, 535836), (42, 446530), (49, 382740), (60, 312571), (70, 267918), (84, 223265), (98, 191370), (105, 178612), (140, 133959), (147, 127580), (196, 95685), (210, 89306), (245, 76548), (294, 63790), (420, 44653), (490, 38274), (588, 31895), (735, 25516), (980, 19137), (1470, 12758), (2940, 6379)]