18220920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151841}}^1$

素因数の和:151855

約数の個数: 32

約数和(自身を含む): 54663120

約数和(自身を除く): 36442200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151841, 303682, 455523, 607364, 759205, 911046, 1214728, 1518410, 1822092, 2277615, 3036820, 3644184, 4555230, 6073640, 9110460, 18220920]

約数ペア:

[(1, 18220920), (2, 9110460), (3, 6073640), (4, 4555230), (5, 3644184), (6, 3036820), (8, 2277615), (10, 1822092), (12, 1518410), (15, 1214728), (20, 911046), (24, 759205), (30, 607364), (40, 455523), (60, 303682), (120, 151841)]