19243120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18503}}^1$

素因数の和:18529

約数の個数: 40

約数和(自身を含む): 48184416

約数和(自身を除く): 28941296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18503, 37006, 74012, 92515, 148024, 185030, 240539, 296048, 370060, 481078, 740120, 962156, 1202695, 1480240, 1924312, 2405390, 3848624, 4810780, 9621560, 19243120]

約数ペア:

[(1, 19243120), (2, 9621560), (4, 4810780), (5, 3848624), (8, 2405390), (10, 1924312), (13, 1480240), (16, 1202695), (20, 962156), (26, 740120), (40, 481078), (52, 370060), (65, 296048), (80, 240539), (104, 185030), (130, 148024), (208, 92515), (260, 74012), (520, 37006), (1040, 18503)]