19892028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4397}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 51720480

約数和(自身を除く): 31828452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4397, 4524, 8794, 13191, 17588, 26382, 52764, 57161, 114322, 127513, 171483, 228644, 255026, 342966, 382539, 510052, 685932, 765078, 1530156, 1657669, 3315338, 4973007, 6630676, 9946014, 19892028]

約数ペア:

[(1, 19892028), (2, 9946014), (3, 6630676), (4, 4973007), (6, 3315338), (12, 1657669), (13, 1530156), (26, 765078), (29, 685932), (39, 510052), (52, 382539), (58, 342966), (78, 255026), (87, 228644), (116, 171483), (156, 127513), (174, 114322), (348, 57161), (377, 52764), (754, 26382), (1131, 17588), (1508, 13191), (2262, 8794), (4397, 4524)]