18381088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 21656672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 661, 869, 1264, 1322, 1738, 2528, 2644, 3476, 5288, 6952, 7271, 10576, 13904, 14542, 21152, 27808, 29084, 52219, 58168, 104438, 116336, 208876, 232672, 417752, 574409, 835504, 1148818, 1671008, 2297636, 4595272, 9190544, 18381088]

約数ペア:

[(1, 18381088), (2, 9190544), (4, 4595272), (8, 2297636), (11, 1671008), (16, 1148818), (22, 835504), (32, 574409), (44, 417752), (79, 232672), (88, 208876), (158, 116336), (176, 104438), (316, 58168), (352, 52219), (632, 29084), (661, 27808), (869, 21152), (1264, 14542), (1322, 13904), (1738, 10576), (2528, 7271), (2644, 6952), (3476, 5288)]