18193264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 37618128

約数和(自身を除く): 19424864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 211, 272, 317, 422, 634, 844, 1268, 1688, 2536, 3376, 3587, 5072, 5389, 7174, 10778, 14348, 21556, 28696, 43112, 57392, 66887, 86224, 133774, 267548, 535096, 1070192, 1137079, 2274158, 4548316, 9096632, 18193264]

約数ペア:

[(1, 18193264), (2, 9096632), (4, 4548316), (8, 2274158), (16, 1137079), (17, 1070192), (34, 535096), (68, 267548), (136, 133774), (211, 86224), (272, 66887), (317, 57392), (422, 43112), (634, 28696), (844, 21556), (1268, 14348), (1688, 10778), (2536, 7174), (3376, 5389), (3587, 5072)]