18901590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7591}}^1$

素因数の和:7684

約数の個数: 32

約数和(自身を含む): 45916416

約数和(自身を除く): 27014826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 7591, 15182, 22773, 37955, 45546, 75910, 113865, 227730, 630053, 1260106, 1890159, 3150265, 3780318, 6300530, 9450795, 18901590]

約数ペア:

[(1, 18901590), (2, 9450795), (3, 6300530), (5, 3780318), (6, 3150265), (10, 1890159), (15, 1260106), (30, 630053), (83, 227730), (166, 113865), (249, 75910), (415, 45546), (498, 37955), (830, 22773), (1245, 15182), (2490, 7591)]