19931464

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2267}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 23069816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2267, 4396, 4534, 8792, 9068, 15869, 18136, 31738, 63476, 126952, 355919, 711838, 1423676, 2491433, 2847352, 4982866, 9965732, 19931464]

約数ペア:

[(1, 19931464), (2, 9965732), (4, 4982866), (7, 2847352), (8, 2491433), (14, 1423676), (28, 711838), (56, 355919), (157, 126952), (314, 63476), (628, 31738), (1099, 18136), (1256, 15869), (2198, 9068), (2267, 8792), (4396, 4534)]