15997190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6323}}^1$

素因数の和:6364

約数の個数: 32

約数和(自身を含む): 32783616

約数和(自身を除く): 16786426

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 6323, 12646, 31615, 63230, 69553, 139106, 145429, 290858, 347765, 695530, 727145, 1454290, 1599719, 3199438, 7998595, 15997190]

約数ペア:

[(1, 15997190), (2, 7998595), (5, 3199438), (10, 1599719), (11, 1454290), (22, 727145), (23, 695530), (46, 347765), (55, 290858), (110, 145429), (115, 139106), (230, 69553), (253, 63230), (506, 31615), (1265, 12646), (2530, 6323)]