18719470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 44914176

約数和(自身を除く): 26194706

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 49, 55, 70, 77, 98, 110, 115, 151, 154, 161, 230, 245, 253, 302, 322, 385, 490, 506, 539, 755, 770, 805, 1057, 1078, 1127, 1265, 1510, 1610, 1661, 1771, 2114, 2254, 2530, 2695, 3322, 3473, 3542, 5285, 5390, 5635, 6946, 7399, 8305, 8855, 10570, 11270, 11627, 12397, 14798, 16610, 17365, 17710, 23254, 24311, 24794, 34730, 36995, 38203, 48622, 58135, 61985, 73990, 76406, 81389, 116270, 121555, 123970, 162778, 170177, 191015, 243110, 267421, 340354, 382030, 406945, 534842, 813890, 850885, 1337105, 1701770, 1871947, 2674210, 3743894, 9359735, 18719470]

約数ペア:

[(1, 18719470), (2, 9359735), (5, 3743894), (7, 2674210), (10, 1871947), (11, 1701770), (14, 1337105), (22, 850885), (23, 813890), (35, 534842), (46, 406945), (49, 382030), (55, 340354), (70, 267421), (77, 243110), (98, 191015), (110, 170177), (115, 162778), (151, 123970), (154, 121555), (161, 116270), (230, 81389), (245, 76406), (253, 73990), (302, 61985), (322, 58135), (385, 48622), (490, 38203), (506, 36995), (539, 34730), (755, 24794), (770, 24311), (805, 23254), (1057, 17710), (1078, 17365), (1127, 16610), (1265, 14798), (1510, 12397), (1610, 11627), (1661, 11270), (1771, 10570), (2114, 8855), (2254, 8305), (2530, 7399), (2695, 6946), (3322, 5635), (3473, 5390), (3542, 5285)]