19718538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27617}}^1$

素因数の和:27646

約数の個数: 32

約数和(自身を含む): 47723904

約数和(自身を除く): 28005366

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 27617, 55234, 82851, 165702, 193319, 386638, 469489, 579957, 938978, 1159914, 1408467, 2816934, 3286423, 6572846, 9859269, 19718538]

約数ペア:

[(1, 19718538), (2, 9859269), (3, 6572846), (6, 3286423), (7, 2816934), (14, 1408467), (17, 1159914), (21, 938978), (34, 579957), (42, 469489), (51, 386638), (102, 193319), (119, 165702), (238, 82851), (357, 55234), (714, 27617)]