18950625

素因数分解:

$3^3\times 5^4\times {\mathrm{1123}}^1$

素因数の和:1152

約数の個数: 40

約数和(自身を含む): 35113760

約数和(自身を除く): 16163135

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1123, 1125, 1875, 3369, 3375, 5615, 5625, 10107, 16845, 16875, 28075, 30321, 50535, 84225, 140375, 151605, 252675, 421125, 701875, 758025, 1263375, 2105625, 3790125, 6316875, 18950625]

約数ペア:

[(1, 18950625), (3, 6316875), (5, 3790125), (9, 2105625), (15, 1263375), (25, 758025), (27, 701875), (45, 421125), (75, 252675), (125, 151605), (135, 140375), (225, 84225), (375, 50535), (625, 30321), (675, 28075), (1123, 16875), (1125, 16845), (1875, 10107), (3369, 5625), (3375, 5615)]