19570928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2601

約数の個数: 40

約数和(自身を含む): 41955648

約数和(自身を除く): 22384720

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2543, 3848, 5086, 7696, 10172, 20344, 33059, 40688, 66118, 94091, 132236, 188182, 264472, 376364, 528944, 752728, 1223183, 1505456, 2446366, 4892732, 9785464, 19570928]

約数ペア:

[(1, 19570928), (2, 9785464), (4, 4892732), (8, 2446366), (13, 1505456), (16, 1223183), (26, 752728), (37, 528944), (52, 376364), (74, 264472), (104, 188182), (148, 132236), (208, 94091), (296, 66118), (481, 40688), (592, 33059), (962, 20344), (1924, 10172), (2543, 7696), (3848, 5086)]