17950192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 37723280

約数和(自身を除く): 19773088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 409, 422, 818, 844, 1636, 1688, 2743, 3272, 3376, 5317, 5486, 6544, 10634, 10972, 21268, 21944, 42536, 43888, 85072, 86299, 172598, 345196, 690392, 1121887, 1380784, 2243774, 4487548, 8975096, 17950192]

約数ペア:

[(1, 17950192), (2, 8975096), (4, 4487548), (8, 2243774), (13, 1380784), (16, 1121887), (26, 690392), (52, 345196), (104, 172598), (208, 86299), (211, 85072), (409, 43888), (422, 42536), (818, 21944), (844, 21268), (1636, 10972), (1688, 10634), (2743, 6544), (3272, 5486), (3376, 5317)]