18967560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{601}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 57214080

約数和(自身を除く): 38246520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 601, 789, 1052, 1202, 1315, 1578, 1803, 2104, 2404, 2630, 3005, 3156, 3606, 3945, 4808, 5260, 6010, 6312, 7212, 7890, 9015, 10520, 12020, 14424, 15780, 18030, 24040, 31560, 36060, 72120, 158063, 316126, 474189, 632252, 790315, 948378, 1264504, 1580630, 1896756, 2370945, 3161260, 3793512, 4741890, 6322520, 9483780, 18967560]

約数ペア:

[(1, 18967560), (2, 9483780), (3, 6322520), (4, 4741890), (5, 3793512), (6, 3161260), (8, 2370945), (10, 1896756), (12, 1580630), (15, 1264504), (20, 948378), (24, 790315), (30, 632252), (40, 474189), (60, 316126), (120, 158063), (263, 72120), (526, 36060), (601, 31560), (789, 24040), (1052, 18030), (1202, 15780), (1315, 14424), (1578, 12020), (1803, 10520), (2104, 9015), (2404, 7890), (2630, 7212), (3005, 6312), (3156, 6010), (3606, 5260), (3945, 4808)]