18271250

素因数分解:

$2^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 40

約数和(自身を含む): 35088768

約数和(自身を除く): 16817518

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 125, 235, 250, 311, 470, 622, 625, 1175, 1250, 1555, 2350, 3110, 5875, 7775, 11750, 14617, 15550, 29234, 29375, 38875, 58750, 73085, 77750, 146170, 194375, 365425, 388750, 730850, 1827125, 3654250, 9135625, 18271250]

約数ペア:

[(1, 18271250), (2, 9135625), (5, 3654250), (10, 1827125), (25, 730850), (47, 388750), (50, 365425), (94, 194375), (125, 146170), (235, 77750), (250, 73085), (311, 58750), (470, 38875), (622, 29375), (625, 29234), (1175, 15550), (1250, 14617), (1555, 11750), (2350, 7775), (3110, 5875)]