18902240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2411}}^1$

素因数の和:2440

約数の個数: 72

約数和(自身を含む): 51968952

約数和(自身を除く): 33066712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2411, 3920, 4822, 7840, 9644, 12055, 16877, 19288, 24110, 33754, 38576, 48220, 67508, 77152, 84385, 96440, 118139, 135016, 168770, 192880, 236278, 270032, 337540, 385760, 472556, 540064, 590695, 675080, 945112, 1181390, 1350160, 1890224, 2362780, 2700320, 3780448, 4725560, 9451120, 18902240]

約数ペア:

[(1, 18902240), (2, 9451120), (4, 4725560), (5, 3780448), (7, 2700320), (8, 2362780), (10, 1890224), (14, 1350160), (16, 1181390), (20, 945112), (28, 675080), (32, 590695), (35, 540064), (40, 472556), (49, 385760), (56, 337540), (70, 270032), (80, 236278), (98, 192880), (112, 168770), (140, 135016), (160, 118139), (196, 96440), (224, 84385), (245, 77152), (280, 67508), (392, 48220), (490, 38576), (560, 33754), (784, 24110), (980, 19288), (1120, 16877), (1568, 12055), (1960, 9644), (2411, 7840), (3920, 4822)]