19922504

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 45386880

約数和(自身を除く): 25464376

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1231, 2023, 2312, 2462, 4046, 4924, 8092, 8617, 9848, 16184, 17234, 20927, 34468, 41854, 68936, 83708, 146489, 167416, 292978, 355759, 585956, 711518, 1171912, 1423036, 2490313, 2846072, 4980626, 9961252, 19922504]

約数ペア:

[(1, 19922504), (2, 9961252), (4, 4980626), (7, 2846072), (8, 2490313), (14, 1423036), (17, 1171912), (28, 711518), (34, 585956), (56, 355759), (68, 292978), (119, 167416), (136, 146489), (238, 83708), (289, 68936), (476, 41854), (578, 34468), (952, 20927), (1156, 17234), (1231, 16184), (2023, 9848), (2312, 8617), (2462, 8092), (4046, 4924)]