18719090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 36481536

約数和(自身を除く): 17762446

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 463, 622, 926, 1555, 2315, 3110, 4043, 4630, 6019, 8086, 12038, 20215, 30095, 40430, 60190, 143993, 287986, 719965, 1439930, 1871909, 3743818, 9359545, 18719090]

約数ペア:

[(1, 18719090), (2, 9359545), (5, 3743818), (10, 1871909), (13, 1439930), (26, 719965), (65, 287986), (130, 143993), (311, 60190), (463, 40430), (622, 30095), (926, 20215), (1555, 12038), (2315, 8086), (3110, 6019), (4043, 4630)]