19939976

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3457}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 43155840

約数和(自身を除く): 23215864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3457, 5768, 6914, 13828, 24199, 27656, 48398, 96796, 193592, 356071, 712142, 1424284, 2492497, 2848568, 4984994, 9969988, 19939976]

約数ペア:

[(1, 19939976), (2, 9969988), (4, 4984994), (7, 2848568), (8, 2492497), (14, 1424284), (28, 712142), (56, 356071), (103, 193592), (206, 96796), (412, 48398), (721, 27656), (824, 24199), (1442, 13828), (2884, 6914), (3457, 5768)]