19821840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82591}}^1$

素因数の和:82607

約数の個数: 40

約数和(自身を含む): 61448448

約数和(自身を除く): 41626608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82591, 165182, 247773, 330364, 412955, 495546, 660728, 825910, 991092, 1238865, 1321456, 1651820, 1982184, 2477730, 3303640, 3964368, 4955460, 6607280, 9910920, 19821840]

約数ペア:

[(1, 19821840), (2, 9910920), (3, 6607280), (4, 4955460), (5, 3964368), (6, 3303640), (8, 2477730), (10, 1982184), (12, 1651820), (15, 1321456), (16, 1238865), (20, 991092), (24, 825910), (30, 660728), (40, 495546), (48, 412955), (60, 330364), (80, 247773), (120, 165182), (240, 82591)]