13228940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 30213120

約数和(自身を除く): 16984180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1123, 1178, 2246, 2356, 2945, 4492, 5615, 5890, 11230, 11780, 21337, 22460, 34813, 42674, 69626, 85348, 106685, 139252, 174065, 213370, 348130, 426740, 661447, 696260, 1322894, 2645788, 3307235, 6614470, 13228940]

約数ペア:

[(1, 13228940), (2, 6614470), (4, 3307235), (5, 2645788), (10, 1322894), (19, 696260), (20, 661447), (31, 426740), (38, 348130), (62, 213370), (76, 174065), (95, 139252), (124, 106685), (155, 85348), (190, 69626), (310, 42674), (380, 34813), (589, 22460), (620, 21337), (1123, 11780), (1178, 11230), (2246, 5890), (2356, 5615), (2945, 4492)]