19490636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 40061952

約数和(自身を除く): 20571316

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 142, 187, 284, 367, 374, 734, 748, 781, 1207, 1468, 1562, 2414, 3124, 4037, 4828, 6239, 8074, 12478, 13277, 16148, 24956, 26057, 26554, 52114, 53108, 68629, 104228, 137258, 274516, 286627, 442969, 573254, 885938, 1146508, 1771876, 4872659, 9745318, 19490636]

約数ペア:

[(1, 19490636), (2, 9745318), (4, 4872659), (11, 1771876), (17, 1146508), (22, 885938), (34, 573254), (44, 442969), (68, 286627), (71, 274516), (142, 137258), (187, 104228), (284, 68629), (367, 53108), (374, 52114), (734, 26554), (748, 26057), (781, 24956), (1207, 16148), (1468, 13277), (1562, 12478), (2414, 8074), (3124, 6239), (4037, 4828)]