18562784

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 38419920

約数和(自身を除く): 19857136

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 83, 116, 166, 232, 241, 332, 464, 482, 664, 928, 964, 1328, 1928, 2407, 2656, 3856, 4814, 6989, 7712, 9628, 13978, 19256, 20003, 27956, 38512, 40006, 55912, 77024, 80012, 111824, 160024, 223648, 320048, 580087, 640096, 1160174, 2320348, 4640696, 9281392, 18562784]

約数ペア:

[(1, 18562784), (2, 9281392), (4, 4640696), (8, 2320348), (16, 1160174), (29, 640096), (32, 580087), (58, 320048), (83, 223648), (116, 160024), (166, 111824), (232, 80012), (241, 77024), (332, 55912), (464, 40006), (482, 38512), (664, 27956), (928, 20003), (964, 19256), (1328, 13978), (1928, 9628), (2407, 7712), (2656, 6989), (3856, 4814)]