18639960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{155333}}^1$

素因数の和:155347

約数の個数: 32

約数和(自身を含む): 55920240

約数和(自身を除く): 37280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 155333, 310666, 465999, 621332, 776665, 931998, 1242664, 1553330, 1863996, 2329995, 3106660, 3727992, 4659990, 6213320, 9319980, 18639960]

約数ペア:

[(1, 18639960), (2, 9319980), (3, 6213320), (4, 4659990), (5, 3727992), (6, 3106660), (8, 2329995), (10, 1863996), (12, 1553330), (15, 1242664), (20, 931998), (24, 776665), (30, 621332), (40, 465999), (60, 310666), (120, 155333)]