18676372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 38892672

約数和(自身を除く): 20216300

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 317, 412, 572, 634, 1133, 1268, 1339, 2266, 2678, 3487, 4121, 4532, 5356, 6974, 8242, 13948, 14729, 16484, 29458, 32651, 45331, 58916, 65302, 90662, 130604, 181324, 359161, 424463, 718322, 848926, 1436644, 1697852, 4669093, 9338186, 18676372]

約数ペア:

[(1, 18676372), (2, 9338186), (4, 4669093), (11, 1697852), (13, 1436644), (22, 848926), (26, 718322), (44, 424463), (52, 359161), (103, 181324), (143, 130604), (206, 90662), (286, 65302), (317, 58916), (412, 45331), (572, 32651), (634, 29458), (1133, 16484), (1268, 14729), (1339, 13948), (2266, 8242), (2678, 6974), (3487, 5356), (4121, 4532)]