19087208

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23680792

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 59, 106, 109, 118, 212, 218, 236, 371, 413, 424, 436, 472, 742, 763, 826, 872, 1484, 1526, 1652, 2968, 3052, 3127, 3304, 5777, 6104, 6254, 6431, 11554, 12508, 12862, 21889, 23108, 25016, 25724, 40439, 43778, 45017, 46216, 51448, 80878, 87556, 90034, 161756, 175112, 180068, 323512, 340843, 360136, 681686, 1363372, 2385901, 2726744, 4771802, 9543604, 19087208]

約数ペア:

[(1, 19087208), (2, 9543604), (4, 4771802), (7, 2726744), (8, 2385901), (14, 1363372), (28, 681686), (53, 360136), (56, 340843), (59, 323512), (106, 180068), (109, 175112), (118, 161756), (212, 90034), (218, 87556), (236, 80878), (371, 51448), (413, 46216), (424, 45017), (436, 43778), (472, 40439), (742, 25724), (763, 25016), (826, 23108), (872, 21889), (1484, 12862), (1526, 12508), (1652, 11554), (2968, 6431), (3052, 6254), (3127, 6104), (3304, 5777)]