19725291245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2406991}}^1$

素因数の和:2407156

約数の個数: 16

約数和(自身を含む): 25995513600

約数和(自身を除く): 6270222355

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 2406991, 12034955, 26476901, 132384505, 358641659, 1793208295, 3945058249, 19725291245]

約数ペア:

[(1, 19725291245), (5, 3945058249), (11, 1793208295), (55, 358641659), (149, 132384505), (745, 26476901), (1639, 12034955), (8195, 2406991)]