18737316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40037}}^1$

素因数の和:40060

約数の個数: 36

約数和(自身を含む): 51008412

約数和(自身を除く): 32271096

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40037, 80074, 120111, 160148, 240222, 360333, 480444, 520481, 720666, 1040962, 1441332, 1561443, 2081924, 3122886, 4684329, 6245772, 9368658, 18737316]

約数ペア:

[(1, 18737316), (2, 9368658), (3, 6245772), (4, 4684329), (6, 3122886), (9, 2081924), (12, 1561443), (13, 1441332), (18, 1040962), (26, 720666), (36, 520481), (39, 480444), (52, 360333), (78, 240222), (117, 160148), (156, 120111), (234, 80074), (468, 40037)]