19744764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5546

約数の個数: 48

約数和(自身を含む): 51781632

約数和(自身を除く): 32036868

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5503, 11006, 16509, 22012, 33018, 66036, 71539, 126569, 143078, 214617, 253138, 286156, 379707, 429234, 506276, 759414, 858468, 1518828, 1645397, 3290794, 4936191, 6581588, 9872382, 19744764]

約数ペア:

[(1, 19744764), (2, 9872382), (3, 6581588), (4, 4936191), (6, 3290794), (12, 1645397), (13, 1518828), (23, 858468), (26, 759414), (39, 506276), (46, 429234), (52, 379707), (69, 286156), (78, 253138), (92, 214617), (138, 143078), (156, 126569), (276, 71539), (299, 66036), (598, 33018), (897, 22012), (1196, 16509), (1794, 11006), (3588, 5503)]