19730205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 38952576

約数和(自身を除く): 19222371

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1733, 2277, 3795, 5199, 8665, 11385, 15597, 19063, 25995, 39859, 57189, 77985, 95315, 119577, 171567, 199295, 285945, 358731, 438449, 597885, 857835, 1315347, 1793655, 2192245, 3946041, 6576735, 19730205]

約数ペア:

[(1, 19730205), (3, 6576735), (5, 3946041), (9, 2192245), (11, 1793655), (15, 1315347), (23, 857835), (33, 597885), (45, 438449), (55, 358731), (69, 285945), (99, 199295), (115, 171567), (165, 119577), (207, 95315), (253, 77985), (345, 57189), (495, 39859), (759, 25995), (1035, 19063), (1265, 15597), (1733, 11385), (2277, 8665), (3795, 5199)]