18544900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 45872064

約数和(自身を除く): 27327164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 733, 1012, 1100, 1150, 1265, 1466, 2300, 2530, 2932, 3665, 5060, 6325, 7330, 8063, 12650, 14660, 16126, 16859, 18325, 25300, 32252, 33718, 36650, 40315, 67436, 73300, 80630, 84295, 161260, 168590, 185449, 201575, 337180, 370898, 403150, 421475, 741796, 806300, 842950, 927245, 1685900, 1854490, 3708980, 4636225, 9272450, 18544900]

約数ペア:

[(1, 18544900), (2, 9272450), (4, 4636225), (5, 3708980), (10, 1854490), (11, 1685900), (20, 927245), (22, 842950), (23, 806300), (25, 741796), (44, 421475), (46, 403150), (50, 370898), (55, 337180), (92, 201575), (100, 185449), (110, 168590), (115, 161260), (220, 84295), (230, 80630), (253, 73300), (275, 67436), (460, 40315), (506, 36650), (550, 33718), (575, 32252), (733, 25300), (1012, 18325), (1100, 16859), (1150, 16126), (1265, 14660), (1466, 12650), (2300, 8063), (2530, 7330), (2932, 6325), (3665, 5060)]