19975130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{619}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 21272230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 461, 619, 922, 1238, 2305, 3095, 3227, 4333, 4610, 6190, 6454, 8666, 16135, 21665, 32270, 43330, 285359, 570718, 1426795, 1997513, 2853590, 3995026, 9987565, 19975130]

約数ペア:

[(1, 19975130), (2, 9987565), (5, 3995026), (7, 2853590), (10, 1997513), (14, 1426795), (35, 570718), (70, 285359), (461, 43330), (619, 32270), (922, 21665), (1238, 16135), (2305, 8666), (3095, 6454), (3227, 6190), (4333, 4610)]