18232240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 46747008

約数和(自身を除く): 28514768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 373, 376, 470, 520, 611, 746, 752, 940, 1040, 1222, 1492, 1865, 1880, 2444, 2984, 3055, 3730, 3760, 4849, 4888, 5968, 6110, 7460, 9698, 9776, 12220, 14920, 17531, 19396, 24245, 24440, 29840, 35062, 38792, 48490, 48880, 70124, 77584, 87655, 96980, 140248, 175310, 193960, 227903, 280496, 350620, 387920, 455806, 701240, 911612, 1139515, 1402480, 1823224, 2279030, 3646448, 4558060, 9116120, 18232240]

約数ペア:

[(1, 18232240), (2, 9116120), (4, 4558060), (5, 3646448), (8, 2279030), (10, 1823224), (13, 1402480), (16, 1139515), (20, 911612), (26, 701240), (40, 455806), (47, 387920), (52, 350620), (65, 280496), (80, 227903), (94, 193960), (104, 175310), (130, 140248), (188, 96980), (208, 87655), (235, 77584), (260, 70124), (373, 48880), (376, 48490), (470, 38792), (520, 35062), (611, 29840), (746, 24440), (752, 24245), (940, 19396), (1040, 17531), (1222, 14920), (1492, 12220), (1865, 9776), (1880, 9698), (2444, 7460), (2984, 6110), (3055, 5968), (3730, 4888), (3760, 4849)]