19829808

素因数分解:

$2^4\times 3^2\times {\mathrm{137707}}^1$

素因数の和:137721

約数の個数: 30

約数和(自身を含む): 55496324

約数和(自身を除く): 35666516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137707, 275414, 413121, 550828, 826242, 1101656, 1239363, 1652484, 2203312, 2478726, 3304968, 4957452, 6609936, 9914904, 19829808]

約数ペア:

[(1, 19829808), (2, 9914904), (3, 6609936), (4, 4957452), (6, 3304968), (8, 2478726), (9, 2203312), (12, 1652484), (16, 1239363), (18, 1101656), (24, 826242), (36, 550828), (48, 413121), (72, 275414), (144, 137707)]