18243686

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13275034

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 911, 1054, 1178, 1822, 10013, 15487, 17309, 20026, 28241, 30974, 34618, 56482, 294253, 480097, 536579, 588506, 960194, 1073158, 9121843, 18243686]

約数ペア:

[(1, 18243686), (2, 9121843), (17, 1073158), (19, 960194), (31, 588506), (34, 536579), (38, 480097), (62, 294253), (323, 56482), (527, 34618), (589, 30974), (646, 28241), (911, 20026), (1054, 17309), (1178, 15487), (1822, 10013)]