19163921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 23101440

約数和(自身を除く): 3937519

約数列:

[1, 7, 31, 47, 217, 329, 1457, 1879, 10199, 13153, 58249, 88313, 407743, 618191, 2737703, 19163921]

約数ペア:

[(1, 19163921), (7, 2737703), (31, 618191), (47, 407743), (217, 88313), (329, 58249), (1457, 13153), (1879, 10199)]