18989838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5197}}^1$

素因数の和:5241

約数の個数: 48

約数和(自身を含む): 48653280

約数和(自身を除く): 29663442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5197, 10394, 15591, 31182, 36379, 46773, 72758, 93546, 109137, 150713, 218274, 301426, 327411, 452139, 654822, 904278, 1054991, 1356417, 2109982, 2712834, 3164973, 6329946, 9494919, 18989838]

約数ペア:

[(1, 18989838), (2, 9494919), (3, 6329946), (6, 3164973), (7, 2712834), (9, 2109982), (14, 1356417), (18, 1054991), (21, 904278), (29, 654822), (42, 452139), (58, 327411), (63, 301426), (87, 218274), (126, 150713), (174, 109137), (203, 93546), (261, 72758), (406, 46773), (522, 36379), (609, 31182), (1218, 15591), (1827, 10394), (3654, 5197)]