18083516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 36879360

約数和(自身を除く): 18795844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 194, 209, 223, 388, 418, 446, 836, 892, 1067, 1843, 2134, 2453, 3686, 4237, 4268, 4906, 7372, 8474, 9812, 16948, 20273, 21631, 40546, 43262, 46607, 81092, 86524, 93214, 186428, 237941, 410989, 475882, 821978, 951764, 1643956, 4520879, 9041758, 18083516]

約数ペア:

[(1, 18083516), (2, 9041758), (4, 4520879), (11, 1643956), (19, 951764), (22, 821978), (38, 475882), (44, 410989), (76, 237941), (97, 186428), (194, 93214), (209, 86524), (223, 81092), (388, 46607), (418, 43262), (446, 40546), (836, 21631), (892, 20273), (1067, 16948), (1843, 9812), (2134, 8474), (2453, 7372), (3686, 4906), (4237, 4268)]