19484190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19705

約数の個数: 48

約数和(自身を含む): 55267056

約数和(自身を除く): 35782866

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19681, 39362, 59043, 98405, 118086, 177129, 196810, 216491, 295215, 354258, 432982, 590430, 649473, 885645, 1082455, 1298946, 1771290, 1948419, 2164910, 3247365, 3896838, 6494730, 9742095, 19484190]

約数ペア:

[(1, 19484190), (2, 9742095), (3, 6494730), (5, 3896838), (6, 3247365), (9, 2164910), (10, 1948419), (11, 1771290), (15, 1298946), (18, 1082455), (22, 885645), (30, 649473), (33, 590430), (45, 432982), (55, 354258), (66, 295215), (90, 216491), (99, 196810), (110, 177129), (165, 118086), (198, 98405), (330, 59043), (495, 39362), (990, 19681)]