19405612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 37623040

約数和(自身を除く): 18217428

約数列:

[1, 2, 4, 19, 37, 38, 67, 74, 76, 103, 134, 148, 206, 268, 412, 703, 1273, 1406, 1957, 2479, 2546, 2812, 3811, 3914, 4958, 5092, 6901, 7622, 7828, 9916, 13802, 15244, 27604, 47101, 72409, 94202, 131119, 144818, 188404, 255337, 262238, 289636, 510674, 524476, 1021348, 4851403, 9702806, 19405612]

約数ペア:

[(1, 19405612), (2, 9702806), (4, 4851403), (19, 1021348), (37, 524476), (38, 510674), (67, 289636), (74, 262238), (76, 255337), (103, 188404), (134, 144818), (148, 131119), (206, 94202), (268, 72409), (412, 47101), (703, 27604), (1273, 15244), (1406, 13802), (1957, 9916), (2479, 7828), (2546, 7622), (2812, 6901), (3811, 5092), (3914, 4958)]