18583955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 25206720

約数和(自身を除く): 6622765

約数列:

[1, 5, 13, 43, 61, 65, 109, 215, 305, 545, 559, 793, 1417, 2623, 2795, 3965, 4687, 6649, 7085, 13115, 23435, 33245, 34099, 60931, 86437, 170495, 285907, 304655, 432185, 1429535, 3716791, 18583955]

約数ペア:

[(1, 18583955), (5, 3716791), (13, 1429535), (43, 432185), (61, 304655), (65, 285907), (109, 170495), (215, 86437), (305, 60931), (545, 34099), (559, 33245), (793, 23435), (1417, 13115), (2623, 7085), (2795, 6649), (3965, 4687)]