19680336

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10513}}^1$

素因数の和:10540

約数の個数: 60

約数和(自身を含む): 59319988

約数和(自身を除く): 39639652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10513, 21026, 31539, 42052, 63078, 84104, 94617, 126156, 136669, 168208, 189234, 252312, 273338, 378468, 410007, 504624, 546676, 756936, 820014, 1093352, 1230021, 1513872, 1640028, 2186704, 2460042, 3280056, 4920084, 6560112, 9840168, 19680336]

約数ペア:

[(1, 19680336), (2, 9840168), (3, 6560112), (4, 4920084), (6, 3280056), (8, 2460042), (9, 2186704), (12, 1640028), (13, 1513872), (16, 1230021), (18, 1093352), (24, 820014), (26, 756936), (36, 546676), (39, 504624), (48, 410007), (52, 378468), (72, 273338), (78, 252312), (104, 189234), (117, 168208), (144, 136669), (156, 126156), (208, 94617), (234, 84104), (312, 63078), (468, 42052), (624, 31539), (936, 21026), (1872, 10513)]