18129688

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16868072

約数列:

[1, 2, 4, 8, 61, 97, 122, 194, 244, 383, 388, 488, 766, 776, 1532, 3064, 5917, 11834, 23363, 23668, 37151, 46726, 47336, 74302, 93452, 148604, 186904, 297208, 2266211, 4532422, 9064844, 18129688]

約数ペア:

[(1, 18129688), (2, 9064844), (4, 4532422), (8, 2266211), (61, 297208), (97, 186904), (122, 148604), (194, 93452), (244, 74302), (383, 47336), (388, 46726), (488, 37151), (766, 23668), (776, 23363), (1532, 11834), (3064, 5917)]