19522840

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1801}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 44112960

約数和(自身を除く): 24590120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1801, 2168, 2710, 3602, 5420, 7204, 9005, 10840, 14408, 18010, 36020, 72040, 488071, 976142, 1952284, 2440355, 3904568, 4880710, 9761420, 19522840]

約数ペア:

[(1, 19522840), (2, 9761420), (4, 4880710), (5, 3904568), (8, 2440355), (10, 1952284), (20, 976142), (40, 488071), (271, 72040), (542, 36020), (1084, 18010), (1355, 14408), (1801, 10840), (2168, 9005), (2710, 7204), (3602, 5420)]