18776560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 50175360

約数和(自身を除く): 31398800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1123, 1520, 1672, 2090, 2246, 3344, 4180, 4492, 5615, 8360, 8984, 11230, 12353, 16720, 17968, 21337, 22460, 24706, 42674, 44920, 49412, 61765, 85348, 89840, 98824, 106685, 123530, 170696, 197648, 213370, 234707, 247060, 341392, 426740, 469414, 494120, 853480, 938828, 988240, 1173535, 1706960, 1877656, 2347070, 3755312, 4694140, 9388280, 18776560]

約数ペア:

[(1, 18776560), (2, 9388280), (4, 4694140), (5, 3755312), (8, 2347070), (10, 1877656), (11, 1706960), (16, 1173535), (19, 988240), (20, 938828), (22, 853480), (38, 494120), (40, 469414), (44, 426740), (55, 341392), (76, 247060), (80, 234707), (88, 213370), (95, 197648), (110, 170696), (152, 123530), (176, 106685), (190, 98824), (209, 89840), (220, 85348), (304, 61765), (380, 49412), (418, 44920), (440, 42674), (760, 24706), (836, 22460), (880, 21337), (1045, 17968), (1123, 16720), (1520, 12353), (1672, 11230), (2090, 8984), (2246, 8360), (3344, 5615), (4180, 4492)]