19160660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 41583360

約数和(自身を除く): 22422700

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 181, 268, 316, 335, 362, 395, 670, 724, 790, 905, 1340, 1580, 1810, 3620, 5293, 10586, 12127, 14299, 21172, 24254, 26465, 28598, 48508, 52930, 57196, 60635, 71495, 105860, 121270, 142990, 242540, 285980, 958033, 1916066, 3832132, 4790165, 9580330, 19160660]

約数ペア:

[(1, 19160660), (2, 9580330), (4, 4790165), (5, 3832132), (10, 1916066), (20, 958033), (67, 285980), (79, 242540), (134, 142990), (158, 121270), (181, 105860), (268, 71495), (316, 60635), (335, 57196), (362, 52930), (395, 48508), (670, 28598), (724, 26465), (790, 24254), (905, 21172), (1340, 14299), (1580, 12127), (1810, 10586), (3620, 5293)]