18862250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 40659840

約数和(自身を除く): 21797590

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 361, 418, 475, 550, 722, 950, 1045, 1375, 1805, 2090, 2375, 2750, 3610, 3971, 4750, 5225, 6859, 7942, 9025, 10450, 13718, 18050, 19855, 26125, 34295, 39710, 45125, 52250, 68590, 75449, 90250, 99275, 150898, 171475, 198550, 342950, 377245, 496375, 754490, 857375, 992750, 1714750, 1886225, 3772450, 9431125, 18862250]

約数ペア:

[(1, 18862250), (2, 9431125), (5, 3772450), (10, 1886225), (11, 1714750), (19, 992750), (22, 857375), (25, 754490), (38, 496375), (50, 377245), (55, 342950), (95, 198550), (110, 171475), (125, 150898), (190, 99275), (209, 90250), (250, 75449), (275, 68590), (361, 52250), (418, 45125), (475, 39710), (550, 34295), (722, 26125), (950, 19855), (1045, 18050), (1375, 13718), (1805, 10450), (2090, 9025), (2375, 7942), (2750, 6859), (3610, 5225), (3971, 4750)]