18208232

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 41712000

約数和(自身を除く): 23503768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 109, 133, 152, 157, 218, 266, 314, 436, 532, 628, 763, 872, 1064, 1099, 1256, 1526, 2071, 2198, 2983, 3052, 4142, 4396, 5966, 6104, 8284, 8792, 11932, 14497, 16568, 17113, 20881, 23864, 28994, 34226, 41762, 57988, 68452, 83524, 115976, 119791, 136904, 167048, 239582, 325147, 479164, 650294, 958328, 1300588, 2276029, 2601176, 4552058, 9104116, 18208232]

約数ペア:

[(1, 18208232), (2, 9104116), (4, 4552058), (7, 2601176), (8, 2276029), (14, 1300588), (19, 958328), (28, 650294), (38, 479164), (56, 325147), (76, 239582), (109, 167048), (133, 136904), (152, 119791), (157, 115976), (218, 83524), (266, 68452), (314, 57988), (436, 41762), (532, 34226), (628, 28994), (763, 23864), (872, 20881), (1064, 17113), (1099, 16568), (1256, 14497), (1526, 11932), (2071, 8792), (2198, 8284), (2983, 6104), (3052, 5966), (4142, 4396)]