19974966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 28650954

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 102, 114, 187, 209, 323, 374, 418, 561, 627, 646, 937, 969, 1122, 1254, 1874, 1938, 2811, 3553, 5622, 7106, 10307, 10659, 15929, 17803, 20614, 21318, 30921, 31858, 35606, 47787, 53409, 61842, 95574, 106818, 175219, 195833, 302651, 350438, 391666, 525657, 587499, 605302, 907953, 1051314, 1174998, 1815906, 3329161, 6658322, 9987483, 19974966]

約数ペア:

[(1, 19974966), (2, 9987483), (3, 6658322), (6, 3329161), (11, 1815906), (17, 1174998), (19, 1051314), (22, 907953), (33, 605302), (34, 587499), (38, 525657), (51, 391666), (57, 350438), (66, 302651), (102, 195833), (114, 175219), (187, 106818), (209, 95574), (323, 61842), (374, 53409), (418, 47787), (561, 35606), (627, 31858), (646, 30921), (937, 21318), (969, 20614), (1122, 17803), (1254, 15929), (1874, 10659), (1938, 10307), (2811, 7106), (3553, 5622)]