19384964

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 37005780

約数和(自身を除く): 17620816

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 289, 409, 578, 697, 818, 1156, 1394, 1636, 2788, 6953, 11849, 13906, 16769, 23698, 27812, 33538, 47396, 67076, 118201, 236402, 285073, 472804, 570146, 1140292, 4846241, 9692482, 19384964]

約数ペア:

[(1, 19384964), (2, 9692482), (4, 4846241), (17, 1140292), (34, 570146), (41, 472804), (68, 285073), (82, 236402), (164, 118201), (289, 67076), (409, 47396), (578, 33538), (697, 27812), (818, 23698), (1156, 16769), (1394, 13906), (1636, 11849), (2788, 6953)]