19681250

素因数分解:

$2^1\times 5^5\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 38247552

約数和(自身を除く): 18566302

約数列:

[1, 2, 5, 10, 25, 47, 50, 67, 94, 125, 134, 235, 250, 335, 470, 625, 670, 1175, 1250, 1675, 2350, 3125, 3149, 3350, 5875, 6250, 6298, 8375, 11750, 15745, 16750, 29375, 31490, 41875, 58750, 78725, 83750, 146875, 157450, 209375, 293750, 393625, 418750, 787250, 1968125, 3936250, 9840625, 19681250]

約数ペア:

[(1, 19681250), (2, 9840625), (5, 3936250), (10, 1968125), (25, 787250), (47, 418750), (50, 393625), (67, 293750), (94, 209375), (125, 157450), (134, 146875), (235, 83750), (250, 78725), (335, 58750), (470, 41875), (625, 31490), (670, 29375), (1175, 16750), (1250, 15745), (1675, 11750), (2350, 8375), (3125, 6298), (3149, 6250), (3350, 5875)]