18940860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105227}}^1$

素因数の和:105242

約数の個数: 36

約数和(自身を含む): 57454488

約数和(自身を除く): 38513628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105227, 210454, 315681, 420908, 526135, 631362, 947043, 1052270, 1262724, 1578405, 1894086, 2104540, 3156810, 3788172, 4735215, 6313620, 9470430, 18940860]

約数ペア:

[(1, 18940860), (2, 9470430), (3, 6313620), (4, 4735215), (5, 3788172), (6, 3156810), (9, 2104540), (10, 1894086), (12, 1578405), (15, 1262724), (18, 1052270), (20, 947043), (30, 631362), (36, 526135), (45, 420908), (60, 315681), (90, 210454), (180, 105227)]