19804380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 39030564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 113, 115, 127, 138, 226, 230, 254, 276, 339, 345, 381, 452, 460, 508, 565, 635, 678, 690, 762, 1130, 1270, 1356, 1380, 1524, 1695, 1905, 2260, 2540, 2599, 2921, 3390, 3810, 5198, 5842, 6780, 7620, 7797, 8763, 10396, 11684, 12995, 14351, 14605, 15594, 17526, 25990, 28702, 29210, 31188, 35052, 38985, 43053, 43815, 51980, 57404, 58420, 71755, 77970, 86106, 87630, 143510, 155940, 172212, 175260, 215265, 287020, 330073, 430530, 660146, 861060, 990219, 1320292, 1650365, 1980438, 3300730, 3960876, 4951095, 6601460, 9902190, 19804380]

約数ペア:

[(1, 19804380), (2, 9902190), (3, 6601460), (4, 4951095), (5, 3960876), (6, 3300730), (10, 1980438), (12, 1650365), (15, 1320292), (20, 990219), (23, 861060), (30, 660146), (46, 430530), (60, 330073), (69, 287020), (92, 215265), (113, 175260), (115, 172212), (127, 155940), (138, 143510), (226, 87630), (230, 86106), (254, 77970), (276, 71755), (339, 58420), (345, 57404), (381, 51980), (452, 43815), (460, 43053), (508, 38985), (565, 35052), (635, 31188), (678, 29210), (690, 28702), (762, 25990), (1130, 17526), (1270, 15594), (1356, 14605), (1380, 14351), (1524, 12995), (1695, 11684), (1905, 10396), (2260, 8763), (2540, 7797), (2599, 7620), (2921, 6780), (3390, 5842), (3810, 5198)]