18357040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 48434400

約数和(自身を除く): 30077360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 929, 988, 1040, 1235, 1520, 1858, 1976, 2470, 3716, 3952, 4645, 4940, 7432, 9290, 9880, 12077, 14864, 17651, 18580, 19760, 24154, 35302, 37160, 48308, 60385, 70604, 74320, 88255, 96616, 120770, 141208, 176510, 193232, 229463, 241540, 282416, 353020, 458926, 483080, 706040, 917852, 966160, 1147315, 1412080, 1835704, 2294630, 3671408, 4589260, 9178520, 18357040]

約数ペア:

[(1, 18357040), (2, 9178520), (4, 4589260), (5, 3671408), (8, 2294630), (10, 1835704), (13, 1412080), (16, 1147315), (19, 966160), (20, 917852), (26, 706040), (38, 483080), (40, 458926), (52, 353020), (65, 282416), (76, 241540), (80, 229463), (95, 193232), (104, 176510), (130, 141208), (152, 120770), (190, 96616), (208, 88255), (247, 74320), (260, 70604), (304, 60385), (380, 48308), (494, 37160), (520, 35302), (760, 24154), (929, 19760), (988, 18580), (1040, 17651), (1235, 14864), (1520, 12077), (1858, 9880), (1976, 9290), (2470, 7432), (3716, 4940), (3952, 4645)]