19426665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 16031895

約数列:

[1, 3, 5, 15, 17, 29, 37, 51, 71, 85, 87, 111, 145, 185, 213, 255, 355, 435, 493, 555, 629, 1065, 1073, 1207, 1479, 1887, 2059, 2465, 2627, 3145, 3219, 3621, 5365, 6035, 6177, 7395, 7881, 9435, 10295, 13135, 16095, 18105, 18241, 30885, 35003, 39405, 44659, 54723, 76183, 91205, 105009, 133977, 175015, 223295, 228549, 273615, 380915, 525045, 669885, 1142745, 1295111, 3885333, 6475555, 19426665]

約数ペア:

[(1, 19426665), (3, 6475555), (5, 3885333), (15, 1295111), (17, 1142745), (29, 669885), (37, 525045), (51, 380915), (71, 273615), (85, 228549), (87, 223295), (111, 175015), (145, 133977), (185, 105009), (213, 91205), (255, 76183), (355, 54723), (435, 44659), (493, 39405), (555, 35003), (629, 30885), (1065, 18241), (1073, 18105), (1207, 16095), (1479, 13135), (1887, 10295), (2059, 9435), (2465, 7881), (2627, 7395), (3145, 6177), (3219, 6035), (3621, 5365)]