18581240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 27383560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1063, 1748, 2126, 2185, 3496, 4252, 4370, 5315, 8504, 8740, 10630, 17480, 20197, 21260, 24449, 40394, 42520, 48898, 80788, 97796, 100985, 122245, 161576, 195592, 201970, 244490, 403940, 464531, 488980, 807880, 929062, 977960, 1858124, 2322655, 3716248, 4645310, 9290620, 18581240]

約数ペア:

[(1, 18581240), (2, 9290620), (4, 4645310), (5, 3716248), (8, 2322655), (10, 1858124), (19, 977960), (20, 929062), (23, 807880), (38, 488980), (40, 464531), (46, 403940), (76, 244490), (92, 201970), (95, 195592), (115, 161576), (152, 122245), (184, 100985), (190, 97796), (230, 80788), (380, 48898), (437, 42520), (460, 40394), (760, 24449), (874, 21260), (920, 20197), (1063, 17480), (1748, 10630), (2126, 8740), (2185, 8504), (3496, 5315), (4252, 4370)]