19807792

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{3319}}^1$

素因数の和:3700

約数の個数: 20

約数和(自身を含む): 38492080

約数和(自身を除く): 18684288

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 3319, 5968, 6638, 13276, 26552, 53104, 1237987, 2475974, 4951948, 9903896, 19807792]

約数ペア:

[(1, 19807792), (2, 9903896), (4, 4951948), (8, 2475974), (16, 1237987), (373, 53104), (746, 26552), (1492, 13276), (2984, 6638), (3319, 5968)]