19908948

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{21001}}^1$

素因数の和:21087

約数の個数: 24

約数和(自身を含む): 47044480

約数和(自身を除く): 27135532

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 21001, 42002, 63003, 84004, 126006, 252012, 1659079, 3318158, 4977237, 6636316, 9954474, 19908948]

約数ペア:

[(1, 19908948), (2, 9954474), (3, 6636316), (4, 4977237), (6, 3318158), (12, 1659079), (79, 252012), (158, 126006), (237, 84004), (316, 63003), (474, 42002), (948, 21001)]