19511970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2473}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 47025792

約数和(自身を除く): 27513822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2473, 2630, 3945, 4946, 7419, 7890, 12365, 14838, 24730, 37095, 74190, 650399, 1300798, 1951197, 3251995, 3902394, 6503990, 9755985, 19511970]

約数ペア:

[(1, 19511970), (2, 9755985), (3, 6503990), (5, 3902394), (6, 3251995), (10, 1951197), (15, 1300798), (30, 650399), (263, 74190), (526, 37095), (789, 24730), (1315, 14838), (1578, 12365), (2473, 7890), (2630, 7419), (3945, 4946)]