18485817

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 30419712

約数和(自身を除く): 11933895

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 977, 1113, 2703, 2931, 6307, 6839, 16609, 18921, 20517, 49827, 51781, 116263, 155343, 348789, 362467, 880277, 1087401, 2640831, 6161939, 18485817]

約数ペア:

[(1, 18485817), (3, 6161939), (7, 2640831), (17, 1087401), (21, 880277), (51, 362467), (53, 348789), (119, 155343), (159, 116263), (357, 51781), (371, 49827), (901, 20517), (977, 18921), (1113, 16609), (2703, 6839), (2931, 6307)]