19275740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 45257184

約数和(自身を除く): 25981444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2137, 2255, 4274, 4510, 8548, 9020, 10685, 21370, 23507, 42740, 47014, 87617, 94028, 117535, 175234, 235070, 350468, 438085, 470140, 876170, 963787, 1752340, 1927574, 3855148, 4818935, 9637870, 19275740]

約数ペア:

[(1, 19275740), (2, 9637870), (4, 4818935), (5, 3855148), (10, 1927574), (11, 1752340), (20, 963787), (22, 876170), (41, 470140), (44, 438085), (55, 350468), (82, 235070), (110, 175234), (164, 117535), (205, 94028), (220, 87617), (410, 47014), (451, 42740), (820, 23507), (902, 21370), (1804, 10685), (2137, 9020), (2255, 8548), (4274, 4510)]