18516810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 48545280

約数和(自身を除く): 30028470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 601, 790, 1027, 1185, 1202, 1803, 2054, 2370, 3005, 3081, 3606, 5135, 6010, 6162, 7813, 9015, 10270, 15405, 15626, 18030, 23439, 30810, 39065, 46878, 47479, 78130, 94958, 117195, 142437, 234390, 237395, 284874, 474790, 617227, 712185, 1234454, 1424370, 1851681, 3086135, 3703362, 6172270, 9258405, 18516810]

約数ペア:

[(1, 18516810), (2, 9258405), (3, 6172270), (5, 3703362), (6, 3086135), (10, 1851681), (13, 1424370), (15, 1234454), (26, 712185), (30, 617227), (39, 474790), (65, 284874), (78, 237395), (79, 234390), (130, 142437), (158, 117195), (195, 94958), (237, 78130), (390, 47479), (395, 46878), (474, 39065), (601, 30810), (790, 23439), (1027, 18030), (1185, 15626), (1202, 15405), (1803, 10270), (2054, 9015), (2370, 7813), (3005, 6162), (3081, 6010), (3606, 5135)]