19228131

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 12523869

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 1889, 3393, 5667, 10179, 17001, 24557, 51003, 54781, 73671, 164343, 221013, 493029, 663039, 712153, 1479087, 2136459, 6409377, 19228131]

約数ペア:

[(1, 19228131), (3, 6409377), (9, 2136459), (13, 1479087), (27, 712153), (29, 663039), (39, 493029), (87, 221013), (117, 164343), (261, 73671), (351, 54781), (377, 51003), (783, 24557), (1131, 17001), (1889, 10179), (3393, 5667)]