18674170

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 15799430

約数列:

[1, 2, 5, 10, 83, 149, 151, 166, 298, 302, 415, 745, 755, 830, 1490, 1510, 12367, 12533, 22499, 24734, 25066, 44998, 61835, 62665, 112495, 123670, 125330, 224990, 1867417, 3734834, 9337085, 18674170]

約数ペア:

[(1, 18674170), (2, 9337085), (5, 3734834), (10, 1867417), (83, 224990), (149, 125330), (151, 123670), (166, 112495), (298, 62665), (302, 61835), (415, 44998), (745, 25066), (755, 24734), (830, 22499), (1490, 12533), (1510, 12367)]