18648756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 55159104

約数和(自身を除く): 36510348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1721, 1806, 2709, 3442, 3612, 5163, 5418, 6884, 10326, 10836, 12047, 15489, 20652, 24094, 30978, 36141, 48188, 61956, 72282, 74003, 108423, 144564, 148006, 216846, 222009, 296012, 433692, 444018, 518021, 666027, 888036, 1036042, 1332054, 1554063, 2072084, 2664108, 3108126, 4662189, 6216252, 9324378, 18648756]

約数ペア:

[(1, 18648756), (2, 9324378), (3, 6216252), (4, 4662189), (6, 3108126), (7, 2664108), (9, 2072084), (12, 1554063), (14, 1332054), (18, 1036042), (21, 888036), (28, 666027), (36, 518021), (42, 444018), (43, 433692), (63, 296012), (84, 222009), (86, 216846), (126, 148006), (129, 144564), (172, 108423), (252, 74003), (258, 72282), (301, 61956), (387, 48188), (516, 36141), (602, 30978), (774, 24094), (903, 20652), (1204, 15489), (1548, 12047), (1721, 10836), (1806, 10326), (2709, 6884), (3442, 5418), (3612, 5163)]