19640760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163673}}^1$

素因数の和:163687

約数の個数: 32

約数和(自身を含む): 58922640

約数和(自身を除く): 39281880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163673, 327346, 491019, 654692, 818365, 982038, 1309384, 1636730, 1964076, 2455095, 3273460, 3928152, 4910190, 6546920, 9820380, 19640760]

約数ペア:

[(1, 19640760), (2, 9820380), (3, 6546920), (4, 4910190), (5, 3928152), (6, 3273460), (8, 2455095), (10, 1964076), (12, 1636730), (15, 1309384), (20, 982038), (24, 818365), (30, 654692), (40, 491019), (60, 327346), (120, 163673)]