19154720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9209}}^1$

素因数の和:9237

約数の個数: 48

約数和(自身を含む): 48739320

約数和(自身を除く): 29584600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9209, 18418, 36836, 46045, 73672, 92090, 119717, 147344, 184180, 239434, 294688, 368360, 478868, 598585, 736720, 957736, 1197170, 1473440, 1915472, 2394340, 3830944, 4788680, 9577360, 19154720]

約数ペア:

[(1, 19154720), (2, 9577360), (4, 4788680), (5, 3830944), (8, 2394340), (10, 1915472), (13, 1473440), (16, 1197170), (20, 957736), (26, 736720), (32, 598585), (40, 478868), (52, 368360), (65, 294688), (80, 239434), (104, 184180), (130, 147344), (160, 119717), (208, 92090), (260, 73672), (416, 46045), (520, 36836), (1040, 18418), (2080, 9209)]