19309160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 47537280

約数和(自身を除く): 28228120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 523, 568, 710, 923, 1046, 1420, 1846, 2092, 2615, 2840, 3692, 4184, 4615, 5230, 6799, 7384, 9230, 10460, 13598, 18460, 20920, 27196, 33995, 36920, 37133, 54392, 67990, 74266, 135980, 148532, 185665, 271960, 297064, 371330, 482729, 742660, 965458, 1485320, 1930916, 2413645, 3861832, 4827290, 9654580, 19309160]

約数ペア:

[(1, 19309160), (2, 9654580), (4, 4827290), (5, 3861832), (8, 2413645), (10, 1930916), (13, 1485320), (20, 965458), (26, 742660), (40, 482729), (52, 371330), (65, 297064), (71, 271960), (104, 185665), (130, 148532), (142, 135980), (260, 74266), (284, 67990), (355, 54392), (520, 37133), (523, 36920), (568, 33995), (710, 27196), (923, 20920), (1046, 18460), (1420, 13598), (1846, 10460), (2092, 9230), (2615, 7384), (2840, 6799), (3692, 5230), (4184, 4615)]