18955890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{70207}}^1$

素因数の和:70223

約数の個数: 32

約数和(自身を含む): 50549760

約数和(自身を除く): 31593870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 70207, 140414, 210621, 351035, 421242, 631863, 702070, 1053105, 1263726, 1895589, 2106210, 3159315, 3791178, 6318630, 9477945, 18955890]

約数ペア:

[(1, 18955890), (2, 9477945), (3, 6318630), (5, 3791178), (6, 3159315), (9, 2106210), (10, 1895589), (15, 1263726), (18, 1053105), (27, 702070), (30, 631863), (45, 421242), (54, 351035), (90, 210621), (135, 140414), (270, 70207)]