19156566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26566314

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 83, 143, 166, 249, 269, 286, 429, 498, 538, 807, 858, 913, 1079, 1614, 1826, 2158, 2739, 2959, 3237, 3497, 5478, 5918, 6474, 6994, 8877, 10491, 11869, 17754, 20982, 22327, 23738, 35607, 38467, 44654, 66981, 71214, 76934, 115401, 133962, 230802, 245597, 290251, 491194, 580502, 736791, 870753, 1473582, 1741506, 3192761, 6385522, 9578283, 19156566]

約数ペア:

[(1, 19156566), (2, 9578283), (3, 6385522), (6, 3192761), (11, 1741506), (13, 1473582), (22, 870753), (26, 736791), (33, 580502), (39, 491194), (66, 290251), (78, 245597), (83, 230802), (143, 133962), (166, 115401), (249, 76934), (269, 71214), (286, 66981), (429, 44654), (498, 38467), (538, 35607), (807, 23738), (858, 22327), (913, 20982), (1079, 17754), (1614, 11869), (1826, 10491), (2158, 8877), (2739, 6994), (2959, 6474), (3237, 5918), (3497, 5478)]