18531960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 55879200

約数和(自身を除く): 37347240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 397, 778, 794, 1167, 1191, 1556, 1588, 1945, 1985, 2334, 2382, 3112, 3176, 3890, 3970, 4668, 4764, 5835, 5955, 7780, 7940, 9336, 9528, 11670, 11910, 15560, 15880, 23340, 23820, 46680, 47640, 154433, 308866, 463299, 617732, 772165, 926598, 1235464, 1544330, 1853196, 2316495, 3088660, 3706392, 4632990, 6177320, 9265980, 18531960]

約数ペア:

[(1, 18531960), (2, 9265980), (3, 6177320), (4, 4632990), (5, 3706392), (6, 3088660), (8, 2316495), (10, 1853196), (12, 1544330), (15, 1235464), (20, 926598), (24, 772165), (30, 617732), (40, 463299), (60, 308866), (120, 154433), (389, 47640), (397, 46680), (778, 23820), (794, 23340), (1167, 15880), (1191, 15560), (1556, 11910), (1588, 11670), (1945, 9528), (1985, 9336), (2334, 7940), (2382, 7780), (3112, 5955), (3176, 5835), (3890, 4764), (3970, 4668)]