19816212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 50662080

約数和(自身を除く): 30845868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2153, 2301, 3068, 4306, 4602, 6459, 8612, 9204, 12918, 25836, 27989, 55978, 83967, 111956, 127027, 167934, 254054, 335868, 381081, 508108, 762162, 1524324, 1651351, 3302702, 4954053, 6605404, 9908106, 19816212]

約数ペア:

[(1, 19816212), (2, 9908106), (3, 6605404), (4, 4954053), (6, 3302702), (12, 1651351), (13, 1524324), (26, 762162), (39, 508108), (52, 381081), (59, 335868), (78, 254054), (118, 167934), (156, 127027), (177, 111956), (236, 83967), (354, 55978), (708, 27989), (767, 25836), (1534, 12918), (2153, 9204), (2301, 8612), (3068, 6459), (4306, 4602)]