19678875

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 33144384

約数和(自身を除く): 13465509

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 541, 1455, 1623, 2425, 2705, 7275, 8115, 12125, 13525, 36375, 40575, 52477, 67625, 157431, 202875, 262385, 787155, 1311925, 3935775, 6559625, 19678875]

約数ペア:

[(1, 19678875), (3, 6559625), (5, 3935775), (15, 1311925), (25, 787155), (75, 262385), (97, 202875), (125, 157431), (291, 67625), (375, 52477), (485, 40575), (541, 36375), (1455, 13525), (1623, 12125), (2425, 8115), (2705, 7275)]