19984952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3257}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 41050800

約数和(自身を除く): 21065848

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3257, 6136, 6514, 13028, 26056, 42341, 84682, 169364, 192163, 338728, 384326, 768652, 1537304, 2498119, 4996238, 9992476, 19984952]

約数ペア:

[(1, 19984952), (2, 9992476), (4, 4996238), (8, 2498119), (13, 1537304), (26, 768652), (52, 384326), (59, 338728), (104, 192163), (118, 169364), (236, 84682), (472, 42341), (767, 26056), (1534, 13028), (3068, 6514), (3257, 6136)]