19310984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 30455416

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 29, 44, 46, 47, 56, 58, 77, 88, 92, 94, 116, 154, 161, 184, 188, 203, 232, 253, 308, 319, 322, 329, 376, 406, 506, 517, 616, 638, 644, 658, 667, 812, 1012, 1034, 1081, 1276, 1288, 1316, 1334, 1363, 1624, 1771, 2024, 2068, 2162, 2233, 2552, 2632, 2668, 2726, 3542, 3619, 4136, 4324, 4466, 4669, 5336, 5452, 7084, 7238, 7337, 7567, 8648, 8932, 9338, 9541, 10904, 11891, 14168, 14476, 14674, 14993, 15134, 17864, 18676, 19082, 23782, 28952, 29348, 29986, 30268, 31349, 37352, 38164, 47564, 51359, 58696, 59972, 60536, 62698, 76328, 83237, 95128, 102718, 104951, 119944, 125396, 166474, 205436, 209902, 219443, 250792, 332948, 344839, 410872, 419804, 438886, 665896, 689678, 839608, 877772, 1379356, 1755544, 2413873, 2758712, 4827746, 9655492, 19310984]

約数ペア:

[(1, 19310984), (2, 9655492), (4, 4827746), (7, 2758712), (8, 2413873), (11, 1755544), (14, 1379356), (22, 877772), (23, 839608), (28, 689678), (29, 665896), (44, 438886), (46, 419804), (47, 410872), (56, 344839), (58, 332948), (77, 250792), (88, 219443), (92, 209902), (94, 205436), (116, 166474), (154, 125396), (161, 119944), (184, 104951), (188, 102718), (203, 95128), (232, 83237), (253, 76328), (308, 62698), (319, 60536), (322, 59972), (329, 58696), (376, 51359), (406, 47564), (506, 38164), (517, 37352), (616, 31349), (638, 30268), (644, 29986), (658, 29348), (667, 28952), (812, 23782), (1012, 19082), (1034, 18676), (1081, 17864), (1276, 15134), (1288, 14993), (1316, 14674), (1334, 14476), (1363, 14168), (1624, 11891), (1771, 10904), (2024, 9541), (2068, 9338), (2162, 8932), (2233, 8648), (2552, 7567), (2632, 7337), (2668, 7238), (2726, 7084), (3542, 5452), (3619, 5336), (4136, 4669), (4324, 4466)]