19871430590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5827399}}^1$

素因数の和:5827448

約数の個数: 32

約数和(自身を含む): 40278988800

約数和(自身を除く): 20407558210

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5827399, 11654798, 29136995, 58273990, 64101389, 128202778, 180649369, 320506945, 361298738, 641013890, 903246845, 1806493690, 1987143059, 3974286118, 9935715295, 19871430590]

約数ペア:

[(1, 19871430590), (2, 9935715295), (5, 3974286118), (10, 1987143059), (11, 1806493690), (22, 903246845), (31, 641013890), (55, 361298738), (62, 320506945), (110, 180649369), (155, 128202778), (310, 64101389), (341, 58273990), (682, 29136995), (1705, 11654798), (3410, 5827399)]