19819776

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 53421984

約数和(自身を除く): 33602208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 197, 256, 262, 384, 393, 394, 524, 591, 768, 786, 788, 1048, 1182, 1572, 1576, 2096, 2364, 3144, 3152, 4192, 4728, 6288, 6304, 8384, 9456, 12576, 12608, 16768, 18912, 25152, 25216, 25807, 33536, 37824, 50304, 50432, 51614, 75648, 77421, 100608, 103228, 151296, 154842, 206456, 309684, 412912, 619368, 825824, 1238736, 1651648, 2477472, 3303296, 4954944, 6606592, 9909888, 19819776]

約数ペア:

[(1, 19819776), (2, 9909888), (3, 6606592), (4, 4954944), (6, 3303296), (8, 2477472), (12, 1651648), (16, 1238736), (24, 825824), (32, 619368), (48, 412912), (64, 309684), (96, 206456), (128, 154842), (131, 151296), (192, 103228), (197, 100608), (256, 77421), (262, 75648), (384, 51614), (393, 50432), (394, 50304), (524, 37824), (591, 33536), (768, 25807), (786, 25216), (788, 25152), (1048, 18912), (1182, 16768), (1572, 12608), (1576, 12576), (2096, 9456), (2364, 8384), (3144, 6304), (3152, 6288), (4192, 4728)]