18029180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4079}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 25153540

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4079, 4420, 8158, 16316, 20395, 40790, 53027, 69343, 81580, 106054, 138686, 212108, 265135, 277372, 346715, 530270, 693430, 901459, 1060540, 1386860, 1802918, 3605836, 4507295, 9014590, 18029180]

約数ペア:

[(1, 18029180), (2, 9014590), (4, 4507295), (5, 3605836), (10, 1802918), (13, 1386860), (17, 1060540), (20, 901459), (26, 693430), (34, 530270), (52, 346715), (65, 277372), (68, 265135), (85, 212108), (130, 138686), (170, 106054), (221, 81580), (260, 69343), (340, 53027), (442, 40790), (884, 20395), (1105, 16316), (2210, 8158), (4079, 4420)]