18886798

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 35442144

約数和(自身を除く): 16555346

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 101, 133, 202, 259, 266, 361, 518, 703, 707, 722, 1406, 1414, 1919, 2527, 3737, 3838, 4921, 5054, 7474, 9842, 13357, 13433, 26159, 26714, 26866, 36461, 52318, 71003, 72922, 93499, 142006, 186998, 255227, 497021, 510454, 994042, 1349057, 2698114, 9443399, 18886798]

約数ペア:

[(1, 18886798), (2, 9443399), (7, 2698114), (14, 1349057), (19, 994042), (37, 510454), (38, 497021), (74, 255227), (101, 186998), (133, 142006), (202, 93499), (259, 72922), (266, 71003), (361, 52318), (518, 36461), (703, 26866), (707, 26714), (722, 26159), (1406, 13433), (1414, 13357), (1919, 9842), (2527, 7474), (3737, 5054), (3838, 4921)]