18814250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 43400448

約数和(自身を除く): 24586198

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 827, 875, 910, 1625, 1654, 1750, 2275, 3250, 4135, 4550, 5789, 8270, 10751, 11375, 11578, 20675, 21502, 22750, 28945, 41350, 53755, 57890, 75257, 103375, 107510, 144725, 150514, 206750, 268775, 289450, 376285, 537550, 723625, 752570, 1343875, 1447250, 1881425, 2687750, 3762850, 9407125, 18814250]

約数ペア:

[(1, 18814250), (2, 9407125), (5, 3762850), (7, 2687750), (10, 1881425), (13, 1447250), (14, 1343875), (25, 752570), (26, 723625), (35, 537550), (50, 376285), (65, 289450), (70, 268775), (91, 206750), (125, 150514), (130, 144725), (175, 107510), (182, 103375), (250, 75257), (325, 57890), (350, 53755), (455, 41350), (650, 28945), (827, 22750), (875, 21502), (910, 20675), (1625, 11578), (1654, 11375), (1750, 10751), (2275, 8270), (3250, 5789), (4135, 4550)]