18803330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20690

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 22855294

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20663, 41326, 103315, 144641, 206630, 268619, 289282, 537238, 723205, 1343095, 1446410, 1880333, 2686190, 3760666, 9401665, 18803330]

約数ペア:

[(1, 18803330), (2, 9401665), (5, 3760666), (7, 2686190), (10, 1880333), (13, 1446410), (14, 1343095), (26, 723205), (35, 537238), (65, 289282), (70, 268619), (91, 206630), (130, 144641), (182, 103315), (455, 41326), (910, 20663)]