19479870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 51172992

約数和(自身を除く): 31693122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 2143, 3030, 4286, 4545, 6429, 9090, 10715, 12858, 19287, 21430, 32145, 38574, 64290, 96435, 192870, 216443, 432886, 649329, 1082215, 1298658, 1947987, 2164430, 3246645, 3895974, 6493290, 9739935, 19479870]

約数ペア:

[(1, 19479870), (2, 9739935), (3, 6493290), (5, 3895974), (6, 3246645), (9, 2164430), (10, 1947987), (15, 1298658), (18, 1082215), (30, 649329), (45, 432886), (90, 216443), (101, 192870), (202, 96435), (303, 64290), (505, 38574), (606, 32145), (909, 21430), (1010, 19287), (1515, 12858), (1818, 10715), (2143, 9090), (3030, 6429), (4286, 4545)]