18950310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{881}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 30582810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 881, 1195, 1434, 1762, 2151, 2390, 2643, 3585, 4302, 4405, 5286, 7170, 7929, 8810, 10755, 13215, 15858, 21510, 26430, 39645, 79290, 210559, 421118, 631677, 1052795, 1263354, 1895031, 2105590, 3158385, 3790062, 6316770, 9475155, 18950310]

約数ペア:

[(1, 18950310), (2, 9475155), (3, 6316770), (5, 3790062), (6, 3158385), (9, 2105590), (10, 1895031), (15, 1263354), (18, 1052795), (30, 631677), (45, 421118), (90, 210559), (239, 79290), (478, 39645), (717, 26430), (881, 21510), (1195, 15858), (1434, 13215), (1762, 10755), (2151, 8810), (2390, 7929), (2643, 7170), (3585, 5286), (4302, 4405)]