18686536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12525

約数の個数: 32

約数和(自身を含む): 40474080

約数和(自身を除く): 21787544

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12491, 24982, 49964, 99928, 137401, 212347, 274802, 424694, 549604, 849388, 1099208, 1698776, 2335817, 4671634, 9343268, 18686536]

約数ペア:

[(1, 18686536), (2, 9343268), (4, 4671634), (8, 2335817), (11, 1698776), (17, 1099208), (22, 849388), (34, 549604), (44, 424694), (68, 274802), (88, 212347), (136, 137401), (187, 99928), (374, 49964), (748, 24982), (1496, 12491)]