18666476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 34747776

約数和(自身を除く): 16081300

約数列:

[1, 2, 4, 17, 34, 68, 277, 554, 991, 1108, 1982, 3964, 4709, 9418, 16847, 18836, 33694, 67388, 274507, 549014, 1098028, 4666619, 9333238, 18666476]

約数ペア:

[(1, 18666476), (2, 9333238), (4, 4666619), (17, 1098028), (34, 549014), (68, 274507), (277, 67388), (554, 33694), (991, 18836), (1108, 16847), (1982, 9418), (3964, 4709)]