18935028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2637

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 37674252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2591, 3654, 5182, 7308, 7773, 10364, 15546, 18137, 23319, 31092, 36274, 46638, 54411, 72548, 75139, 93276, 108822, 150278, 163233, 217644, 225417, 300556, 326466, 450834, 525973, 652932, 676251, 901668, 1051946, 1352502, 1577919, 2103892, 2705004, 3155838, 4733757, 6311676, 9467514, 18935028]

約数ペア:

[(1, 18935028), (2, 9467514), (3, 6311676), (4, 4733757), (6, 3155838), (7, 2705004), (9, 2103892), (12, 1577919), (14, 1352502), (18, 1051946), (21, 901668), (28, 676251), (29, 652932), (36, 525973), (42, 450834), (58, 326466), (63, 300556), (84, 225417), (87, 217644), (116, 163233), (126, 150278), (174, 108822), (203, 93276), (252, 75139), (261, 72548), (348, 54411), (406, 46638), (522, 36274), (609, 31092), (812, 23319), (1044, 18137), (1218, 15546), (1827, 10364), (2436, 7773), (2591, 7308), (3654, 5182)]