19966568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7727}}^1$

素因数の和:7769

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 21764632

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7727, 15454, 30908, 61816, 131359, 146813, 262718, 293626, 525436, 587252, 1050872, 1174504, 2495821, 4991642, 9983284, 19966568]

約数ペア:

[(1, 19966568), (2, 9983284), (4, 4991642), (8, 2495821), (17, 1174504), (19, 1050872), (34, 587252), (38, 525436), (68, 293626), (76, 262718), (136, 146813), (152, 131359), (323, 61816), (646, 30908), (1292, 15454), (2584, 7727)]