19799696

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10399}}^1$

素因数の和:10431

約数の個数: 40

約数和(自身を含む): 46425600

約数和(自身を除く): 26625904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10399, 20798, 41596, 72793, 83192, 145586, 166384, 176783, 291172, 353566, 582344, 707132, 1164688, 1237481, 1414264, 2474962, 2828528, 4949924, 9899848, 19799696]

約数ペア:

[(1, 19799696), (2, 9899848), (4, 4949924), (7, 2828528), (8, 2474962), (14, 1414264), (16, 1237481), (17, 1164688), (28, 707132), (34, 582344), (56, 353566), (68, 291172), (112, 176783), (119, 166384), (136, 145586), (238, 83192), (272, 72793), (476, 41596), (952, 20798), (1904, 10399)]