18908696

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 36990000

約数和(自身を除く): 18081304

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 547, 596, 1094, 1192, 2188, 4321, 4376, 8642, 15863, 17284, 31726, 34568, 63452, 81503, 126904, 163006, 326012, 652024, 2363587, 4727174, 9454348, 18908696]

約数ペア:

[(1, 18908696), (2, 9454348), (4, 4727174), (8, 2363587), (29, 652024), (58, 326012), (116, 163006), (149, 126904), (232, 81503), (298, 63452), (547, 34568), (596, 31726), (1094, 17284), (1192, 15863), (2188, 8642), (4321, 4376)]