19498544

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7211}}^1$

素因数の和:7245

約数の個数: 30

約数和(自身を含む): 40913676

約数和(自身を除く): 21415132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7211, 14422, 28844, 57688, 93743, 115376, 187486, 374972, 749944, 1218659, 1499888, 2437318, 4874636, 9749272, 19498544]

約数ペア:

[(1, 19498544), (2, 9749272), (4, 4874636), (8, 2437318), (13, 1499888), (16, 1218659), (26, 749944), (52, 374972), (104, 187486), (169, 115376), (208, 93743), (338, 57688), (676, 28844), (1352, 14422), (2704, 7211)]