19401928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 46368000

約数和(自身を除く): 26966072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 919, 1508, 1624, 1838, 2639, 3016, 3676, 5278, 6433, 7352, 10556, 11947, 12866, 21112, 23894, 25732, 26651, 47788, 51464, 53302, 83629, 95576, 106604, 167258, 186557, 213208, 334516, 346463, 373114, 669032, 692926, 746228, 1385852, 1492456, 2425241, 2771704, 4850482, 9700964, 19401928]

約数ペア:

[(1, 19401928), (2, 9700964), (4, 4850482), (7, 2771704), (8, 2425241), (13, 1492456), (14, 1385852), (26, 746228), (28, 692926), (29, 669032), (52, 373114), (56, 346463), (58, 334516), (91, 213208), (104, 186557), (116, 167258), (182, 106604), (203, 95576), (232, 83629), (364, 53302), (377, 51464), (406, 47788), (728, 26651), (754, 25732), (812, 23894), (919, 21112), (1508, 12866), (1624, 11947), (1838, 10556), (2639, 7352), (3016, 6433), (3676, 5278)]