193813990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{177811}}^1$

素因数の和:177927

約数の個数: 16

約数和(自身を含む): 352067760

約数和(自身を除く): 158253770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 177811, 355622, 889055, 1778110, 19381399, 38762798, 96906995, 193813990]

約数ペア:

[(1, 193813990), (2, 96906995), (5, 38762798), (10, 19381399), (109, 1778110), (218, 889055), (545, 355622), (1090, 177811)]