19160336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 40247424

約数和(自身を除く): 21087088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 367, 502, 734, 1004, 1468, 2008, 2936, 3263, 4016, 4771, 5872, 6526, 9542, 13052, 19084, 26104, 38168, 52208, 76336, 92117, 184234, 368468, 736936, 1197521, 1473872, 2395042, 4790084, 9580168, 19160336]

約数ペア:

[(1, 19160336), (2, 9580168), (4, 4790084), (8, 2395042), (13, 1473872), (16, 1197521), (26, 736936), (52, 368468), (104, 184234), (208, 92117), (251, 76336), (367, 52208), (502, 38168), (734, 26104), (1004, 19084), (1468, 13052), (2008, 9542), (2936, 6526), (3263, 5872), (4016, 4771)]