19543810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 22550270

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 79, 110, 130, 143, 158, 173, 286, 346, 395, 715, 790, 865, 869, 1027, 1430, 1730, 1738, 1903, 2054, 2249, 3806, 4345, 4498, 5135, 8690, 9515, 10270, 11245, 11297, 13667, 19030, 22490, 22594, 24739, 27334, 49478, 56485, 68335, 112970, 123695, 136670, 150337, 177671, 247390, 300674, 355342, 751685, 888355, 1503370, 1776710, 1954381, 3908762, 9771905, 19543810]

約数ペア:

[(1, 19543810), (2, 9771905), (5, 3908762), (10, 1954381), (11, 1776710), (13, 1503370), (22, 888355), (26, 751685), (55, 355342), (65, 300674), (79, 247390), (110, 177671), (130, 150337), (143, 136670), (158, 123695), (173, 112970), (286, 68335), (346, 56485), (395, 49478), (715, 27334), (790, 24739), (865, 22594), (869, 22490), (1027, 19030), (1430, 13667), (1730, 11297), (1738, 11245), (1903, 10270), (2054, 9515), (2249, 8690), (3806, 5135), (4345, 4498)]