19172920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36871}}^1$

素因数の和:36895

約数の個数: 32

約数和(自身を含む): 46458720

約数和(自身を除く): 27285800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36871, 73742, 147484, 184355, 294968, 368710, 479323, 737420, 958646, 1474840, 1917292, 2396615, 3834584, 4793230, 9586460, 19172920]

約数ペア:

[(1, 19172920), (2, 9586460), (4, 4793230), (5, 3834584), (8, 2396615), (10, 1917292), (13, 1474840), (20, 958646), (26, 737420), (40, 479323), (52, 368710), (65, 294968), (104, 184355), (130, 147484), (260, 73742), (520, 36871)]