18555888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 52246656

約数和(自身を除く): 33690768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 227, 262, 312, 393, 454, 524, 624, 681, 786, 908, 1048, 1362, 1572, 1703, 1816, 2096, 2724, 2951, 3144, 3406, 3632, 5109, 5448, 5902, 6288, 6812, 8853, 10218, 10896, 11804, 13624, 17706, 20436, 23608, 27248, 29737, 35412, 40872, 47216, 59474, 70824, 81744, 89211, 118948, 141648, 178422, 237896, 356844, 386581, 475792, 713688, 773162, 1159743, 1427376, 1546324, 2319486, 3092648, 4638972, 6185296, 9277944, 18555888]

約数ペア:

[(1, 18555888), (2, 9277944), (3, 6185296), (4, 4638972), (6, 3092648), (8, 2319486), (12, 1546324), (13, 1427376), (16, 1159743), (24, 773162), (26, 713688), (39, 475792), (48, 386581), (52, 356844), (78, 237896), (104, 178422), (131, 141648), (156, 118948), (208, 89211), (227, 81744), (262, 70824), (312, 59474), (393, 47216), (454, 40872), (524, 35412), (624, 29737), (681, 27248), (786, 23608), (908, 20436), (1048, 17706), (1362, 13624), (1572, 11804), (1703, 10896), (1816, 10218), (2096, 8853), (2724, 6812), (2951, 6288), (3144, 5902), (3406, 5448), (3632, 5109)]