19660360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6733}}^1$

素因数の和:6817

約数の個数: 32

約数和(自身を含む): 44848440

約数和(自身を除く): 25188080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6733, 13466, 26932, 33665, 53864, 67330, 134660, 269320, 491509, 983018, 1966036, 2457545, 3932072, 4915090, 9830180, 19660360]

約数ペア:

[(1, 19660360), (2, 9830180), (4, 4915090), (5, 3932072), (8, 2457545), (10, 1966036), (20, 983018), (40, 491509), (73, 269320), (146, 134660), (292, 67330), (365, 53864), (584, 33665), (730, 26932), (1460, 13466), (2920, 6733)]