218917886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1193}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 378259200

約数和(自身を除く): 159341314

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 439, 878, 1193, 2386, 4829, 8341, 9658, 13123, 16682, 22667, 26246, 45334, 91751, 183502, 249337, 498674, 523727, 1047454, 5760997, 9950813, 11521994, 19901626, 109458943, 218917886]

約数ペア:

[(1, 218917886), (2, 109458943), (11, 19901626), (19, 11521994), (22, 9950813), (38, 5760997), (209, 1047454), (418, 523727), (439, 498674), (878, 249337), (1193, 183502), (2386, 91751), (4829, 45334), (8341, 26246), (9658, 22667), (13123, 16682)]