19540888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2787

約数の個数: 32

約数和(自身を含む): 39540960

約数和(自身を除く): 20000072

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2711, 3604, 5422, 7208, 10844, 21688, 46087, 92174, 143683, 184348, 287366, 368696, 574732, 1149464, 2442611, 4885222, 9770444, 19540888]

約数ペア:

[(1, 19540888), (2, 9770444), (4, 4885222), (8, 2442611), (17, 1149464), (34, 574732), (53, 368696), (68, 287366), (106, 184348), (136, 143683), (212, 92174), (424, 46087), (901, 21688), (1802, 10844), (2711, 7208), (3604, 5422)]