18219780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101221}}^1$

素因数の和:101236

約数の個数: 36

約数和(自身を含む): 55267212

約数和(自身を除く): 37047432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 101221, 202442, 303663, 404884, 506105, 607326, 910989, 1012210, 1214652, 1518315, 1821978, 2024420, 3036630, 3643956, 4554945, 6073260, 9109890, 18219780]

約数ペア:

[(1, 18219780), (2, 9109890), (3, 6073260), (4, 4554945), (5, 3643956), (6, 3036630), (9, 2024420), (10, 1821978), (12, 1518315), (15, 1214652), (18, 1012210), (20, 910989), (30, 607326), (36, 506105), (45, 404884), (60, 303663), (90, 202442), (180, 101221)]