18712233720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51978427}}^1$

素因数の和:51978444

約数の個数: 48

約数和(自身を含む): 60814760760

約数和(自身を除く): 42102527040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51978427, 103956854, 155935281, 207913708, 259892135, 311870562, 415827416, 467805843, 519784270, 623741124, 779676405, 935611686, 1039568540, 1247482248, 1559352810, 1871223372, 2079137080, 2339029215, 3118705620, 3742446744, 4678058430, 6237411240, 9356116860, 18712233720]

約数ペア:

[(1, 18712233720), (2, 9356116860), (3, 6237411240), (4, 4678058430), (5, 3742446744), (6, 3118705620), (8, 2339029215), (9, 2079137080), (10, 1871223372), (12, 1559352810), (15, 1247482248), (18, 1039568540), (20, 935611686), (24, 779676405), (30, 623741124), (36, 519784270), (40, 467805843), (45, 415827416), (60, 311870562), (72, 259892135), (90, 207913708), (120, 155935281), (180, 103956854), (360, 51978427)]