18625852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 39639040

約数和(自身を除く): 21013188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 223, 266, 314, 446, 532, 628, 892, 1099, 1561, 2198, 2983, 3122, 4237, 4396, 5966, 6244, 8474, 11932, 16948, 20881, 29659, 35011, 41762, 59318, 70022, 83524, 118636, 140044, 245077, 490154, 665209, 980308, 1330418, 2660836, 4656463, 9312926, 18625852]

約数ペア:

[(1, 18625852), (2, 9312926), (4, 4656463), (7, 2660836), (14, 1330418), (19, 980308), (28, 665209), (38, 490154), (76, 245077), (133, 140044), (157, 118636), (223, 83524), (266, 70022), (314, 59318), (446, 41762), (532, 35011), (628, 29659), (892, 20881), (1099, 16948), (1561, 11932), (2198, 8474), (2983, 6244), (3122, 5966), (4237, 4396)]