19118820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{929}}^1$

素因数の和:962

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 43377180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 929, 980, 1029, 1372, 1470, 1715, 1858, 2058, 2787, 2940, 3430, 3716, 4116, 4645, 5145, 5574, 6503, 6860, 9290, 10290, 11148, 13006, 13935, 18580, 19509, 20580, 26012, 27870, 32515, 39018, 45521, 55740, 65030, 78036, 91042, 97545, 130060, 136563, 182084, 195090, 227605, 273126, 318647, 390180, 455210, 546252, 637294, 682815, 910420, 955941, 1274588, 1365630, 1593235, 1911882, 2731260, 3186470, 3823764, 4779705, 6372940, 9559410, 19118820]

約数ペア:

[(1, 19118820), (2, 9559410), (3, 6372940), (4, 4779705), (5, 3823764), (6, 3186470), (7, 2731260), (10, 1911882), (12, 1593235), (14, 1365630), (15, 1274588), (20, 955941), (21, 910420), (28, 682815), (30, 637294), (35, 546252), (42, 455210), (49, 390180), (60, 318647), (70, 273126), (84, 227605), (98, 195090), (105, 182084), (140, 136563), (147, 130060), (196, 97545), (210, 91042), (245, 78036), (294, 65030), (343, 55740), (420, 45521), (490, 39018), (588, 32515), (686, 27870), (735, 26012), (929, 20580), (980, 19509), (1029, 18580), (1372, 13935), (1470, 13006), (1715, 11148), (1858, 10290), (2058, 9290), (2787, 6860), (2940, 6503), (3430, 5574), (3716, 5145), (4116, 4645)]