18073748

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 41023584

約数和(自身を除く): 22949836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 101, 154, 166, 196, 202, 308, 332, 404, 539, 581, 707, 913, 1078, 1111, 1162, 1414, 1826, 2156, 2222, 2324, 2828, 3652, 4067, 4444, 4949, 6391, 7777, 8134, 8383, 9898, 12782, 15554, 16268, 16766, 19796, 25564, 31108, 33532, 44737, 54439, 58681, 89474, 92213, 108878, 117362, 178948, 184426, 217756, 234724, 368852, 410767, 645491, 821534, 1290982, 1643068, 2581964, 4518437, 9036874, 18073748]

約数ペア:

[(1, 18073748), (2, 9036874), (4, 4518437), (7, 2581964), (11, 1643068), (14, 1290982), (22, 821534), (28, 645491), (44, 410767), (49, 368852), (77, 234724), (83, 217756), (98, 184426), (101, 178948), (154, 117362), (166, 108878), (196, 92213), (202, 89474), (308, 58681), (332, 54439), (404, 44737), (539, 33532), (581, 31108), (707, 25564), (913, 19796), (1078, 16766), (1111, 16268), (1162, 15554), (1414, 12782), (1826, 9898), (2156, 8383), (2222, 8134), (2324, 7777), (2828, 6391), (3652, 4949), (4067, 4444)]