18621840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77591}}^1$

素因数の和:77607

約数の個数: 40

約数和(自身を含む): 57728448

約数和(自身を除く): 39106608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77591, 155182, 232773, 310364, 387955, 465546, 620728, 775910, 931092, 1163865, 1241456, 1551820, 1862184, 2327730, 3103640, 3724368, 4655460, 6207280, 9310920, 18621840]

約数ペア:

[(1, 18621840), (2, 9310920), (3, 6207280), (4, 4655460), (5, 3724368), (6, 3103640), (8, 2327730), (10, 1862184), (12, 1551820), (15, 1241456), (16, 1163865), (20, 931092), (24, 775910), (30, 620728), (40, 465546), (48, 387955), (60, 310364), (80, 232773), (120, 155182), (240, 77591)]