19208735

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 29838816

約数和(自身を除く): 10630081

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 163, 185, 245, 259, 455, 481, 637, 815, 1141, 1295, 1813, 2119, 2405, 3185, 3367, 5705, 6031, 7987, 9065, 10595, 14833, 16835, 23569, 30155, 39935, 42217, 74165, 78403, 103831, 117845, 211085, 295519, 392015, 519155, 548821, 1477595, 2744105, 3841747, 19208735]

約数ペア:

[(1, 19208735), (5, 3841747), (7, 2744105), (13, 1477595), (35, 548821), (37, 519155), (49, 392015), (65, 295519), (91, 211085), (163, 117845), (185, 103831), (245, 78403), (259, 74165), (455, 42217), (481, 39935), (637, 30155), (815, 23569), (1141, 16835), (1295, 14833), (1813, 10595), (2119, 9065), (2405, 7987), (3185, 6031), (3367, 5705)]