18644316

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 44835840

約数和(自身を除く): 26191524

約数列:

[1, 2, 3, 4, 6, 12, 71, 79, 142, 158, 213, 237, 277, 284, 316, 426, 474, 554, 831, 852, 948, 1108, 1662, 3324, 5609, 11218, 16827, 19667, 21883, 22436, 33654, 39334, 43766, 59001, 65649, 67308, 78668, 87532, 118002, 131298, 236004, 262596, 1553693, 3107386, 4661079, 6214772, 9322158, 18644316]

約数ペア:

[(1, 18644316), (2, 9322158), (3, 6214772), (4, 4661079), (6, 3107386), (12, 1553693), (71, 262596), (79, 236004), (142, 131298), (158, 118002), (213, 87532), (237, 78668), (277, 67308), (284, 65649), (316, 59001), (426, 43766), (474, 39334), (554, 33654), (831, 22436), (852, 21883), (948, 19667), (1108, 16827), (1662, 11218), (3324, 5609)]