19973124

素因数分解:

$2^2\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1103}}^1$

素因数の和:1616

約数の個数: 36

約数和(自身を含む): 50633856

約数和(自身を除く): 30660732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 503, 1006, 1103, 1509, 2012, 2206, 3018, 3309, 4412, 4527, 6036, 6618, 9054, 9927, 13236, 18108, 19854, 39708, 554809, 1109618, 1664427, 2219236, 3328854, 4993281, 6657708, 9986562, 19973124]

約数ペア:

[(1, 19973124), (2, 9986562), (3, 6657708), (4, 4993281), (6, 3328854), (9, 2219236), (12, 1664427), (18, 1109618), (36, 554809), (503, 39708), (1006, 19854), (1103, 18108), (1509, 13236), (2012, 9927), (2206, 9054), (3018, 6618), (3309, 6036), (4412, 4527)]