18763640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3564

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 32039560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3527, 5320, 7054, 14108, 17635, 24689, 28216, 35270, 49378, 67013, 70540, 98756, 123445, 134026, 141080, 197512, 246890, 268052, 335065, 469091, 493780, 536104, 670130, 938182, 987560, 1340260, 1876364, 2345455, 2680520, 3752728, 4690910, 9381820, 18763640]

約数ペア:

[(1, 18763640), (2, 9381820), (4, 4690910), (5, 3752728), (7, 2680520), (8, 2345455), (10, 1876364), (14, 1340260), (19, 987560), (20, 938182), (28, 670130), (35, 536104), (38, 493780), (40, 469091), (56, 335065), (70, 268052), (76, 246890), (95, 197512), (133, 141080), (140, 134026), (152, 123445), (190, 98756), (266, 70540), (280, 67013), (380, 49378), (532, 35270), (665, 28216), (760, 24689), (1064, 17635), (1330, 14108), (2660, 7054), (3527, 5320)]