19556205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 33778944

約数和(自身を除く): 14222739

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 1447, 2703, 4341, 4505, 7235, 13515, 21705, 24599, 73797, 76691, 122995, 230073, 368985, 383455, 1150365, 1303747, 3911241, 6518735, 19556205]

約数ペア:

[(1, 19556205), (3, 6518735), (5, 3911241), (15, 1303747), (17, 1150365), (51, 383455), (53, 368985), (85, 230073), (159, 122995), (255, 76691), (265, 73797), (795, 24599), (901, 21705), (1447, 13515), (2703, 7235), (4341, 4505)]