16111920010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1\times {\mathrm{1999}}^1$

素因数の和:2803

約数の個数: 64

約数和(自身を含む): 31104000000

約数和(自身を除く): 14992079990

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 719, 1121, 1438, 1999, 2242, 3595, 3998, 5605, 7190, 9995, 11210, 13661, 19990, 27322, 37981, 42421, 68305, 75962, 84842, 117941, 136610, 189905, 212105, 235882, 379810, 424210, 589705, 805999, 1179410, 1437281, 1611998, 2240879, 2874562, 4029995, 4481758, 7186405, 8059990, 11204395, 14372810, 22408790, 27308339, 54616678, 84799579, 136541695, 169599158, 273083390, 423997895, 847995790, 1611192001, 3222384002, 8055960005, 16111920010]

約数ペア:

[(1, 16111920010), (2, 8055960005), (5, 3222384002), (10, 1611192001), (19, 847995790), (38, 423997895), (59, 273083390), (95, 169599158), (118, 136541695), (190, 84799579), (295, 54616678), (590, 27308339), (719, 22408790), (1121, 14372810), (1438, 11204395), (1999, 8059990), (2242, 7186405), (3595, 4481758), (3998, 4029995), (5605, 2874562), (7190, 2240879), (9995, 1611998), (11210, 1437281), (13661, 1179410), (19990, 805999), (27322, 589705), (37981, 424210), (42421, 379810), (68305, 235882), (75962, 212105), (84842, 189905), (117941, 136610)]