19719219430

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18091027}}^1$

素因数の和:18091143

約数の個数: 16

約数和(自身を含む): 35820235440

約数和(自身を除く): 16101016010

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18091027, 36182054, 90455135, 180910270, 1971921943, 3943843886, 9859609715, 19719219430]

約数ペア:

[(1, 19719219430), (2, 9859609715), (5, 3943843886), (10, 1971921943), (109, 180910270), (218, 90455135), (545, 36182054), (1090, 18091027)]