19326280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 46675440

約数和(自身を除く): 27349160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 293, 340, 388, 485, 586, 680, 776, 970, 1172, 1465, 1649, 1940, 2344, 2930, 3298, 3880, 4981, 5860, 6596, 8245, 9962, 11720, 13192, 16490, 19924, 24905, 28421, 32980, 39848, 49810, 56842, 65960, 99620, 113684, 142105, 199240, 227368, 284210, 483157, 568420, 966314, 1136840, 1932628, 2415785, 3865256, 4831570, 9663140, 19326280]

約数ペア:

[(1, 19326280), (2, 9663140), (4, 4831570), (5, 3865256), (8, 2415785), (10, 1932628), (17, 1136840), (20, 966314), (34, 568420), (40, 483157), (68, 284210), (85, 227368), (97, 199240), (136, 142105), (170, 113684), (194, 99620), (293, 65960), (340, 56842), (388, 49810), (485, 39848), (586, 32980), (680, 28421), (776, 24905), (970, 19924), (1172, 16490), (1465, 13192), (1649, 11720), (1940, 9962), (2344, 8245), (2930, 6596), (3298, 5860), (3880, 4981)]