19386460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3046

約数の個数: 48

約数和(自身を含む): 45390240

約数和(自身を除く): 26003780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3001, 3230, 6002, 6460, 12004, 15005, 30010, 51017, 57019, 60020, 102034, 114038, 204068, 228076, 255085, 285095, 510170, 570190, 969323, 1020340, 1140380, 1938646, 3877292, 4846615, 9693230, 19386460]

約数ペア:

[(1, 19386460), (2, 9693230), (4, 4846615), (5, 3877292), (10, 1938646), (17, 1140380), (19, 1020340), (20, 969323), (34, 570190), (38, 510170), (68, 285095), (76, 255085), (85, 228076), (95, 204068), (170, 114038), (190, 102034), (323, 60020), (340, 57019), (380, 51017), (646, 30010), (1292, 15005), (1615, 12004), (3001, 6460), (3230, 6002)]