16391780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7253}}^1$

素因数の和:7375

約数の個数: 24

約数和(自身を含む): 34732152

約数和(自身を除く): 18340372

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 7253, 14506, 29012, 36265, 72530, 145060, 819589, 1639178, 3278356, 4097945, 8195890, 16391780]

約数ペア:

[(1, 16391780), (2, 8195890), (4, 4097945), (5, 3278356), (10, 1639178), (20, 819589), (113, 145060), (226, 72530), (452, 36265), (565, 29012), (1130, 14506), (2260, 7253)]