18130515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 31563840

約数和(自身を除く): 13433325

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 853, 1417, 1635, 2559, 4251, 4265, 7085, 11089, 12795, 21255, 33267, 55445, 92977, 166335, 278931, 464885, 1208701, 1394655, 3626103, 6043505, 18130515]

約数ペア:

[(1, 18130515), (3, 6043505), (5, 3626103), (13, 1394655), (15, 1208701), (39, 464885), (65, 278931), (109, 166335), (195, 92977), (327, 55445), (545, 33267), (853, 21255), (1417, 12795), (1635, 11089), (2559, 7085), (4251, 4265)]