19042160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 28097680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 131, 158, 184, 230, 262, 316, 368, 395, 460, 524, 632, 655, 790, 920, 1048, 1264, 1310, 1580, 1817, 1840, 2096, 2620, 3013, 3160, 3634, 5240, 6026, 6320, 7268, 9085, 10349, 10480, 12052, 14536, 15065, 18170, 20698, 24104, 29072, 30130, 36340, 41396, 48208, 51745, 60260, 72680, 82792, 103490, 120520, 145360, 165584, 206980, 238027, 241040, 413960, 476054, 827920, 952108, 1190135, 1904216, 2380270, 3808432, 4760540, 9521080, 19042160]

約数ペア:

[(1, 19042160), (2, 9521080), (4, 4760540), (5, 3808432), (8, 2380270), (10, 1904216), (16, 1190135), (20, 952108), (23, 827920), (40, 476054), (46, 413960), (79, 241040), (80, 238027), (92, 206980), (115, 165584), (131, 145360), (158, 120520), (184, 103490), (230, 82792), (262, 72680), (316, 60260), (368, 51745), (395, 48208), (460, 41396), (524, 36340), (632, 30130), (655, 29072), (790, 24104), (920, 20698), (1048, 18170), (1264, 15065), (1310, 14536), (1580, 12052), (1817, 10480), (1840, 10349), (2096, 9085), (2620, 7268), (3013, 6320), (3160, 6026), (3634, 5240)]