19936707940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1\times {\mathrm{4483}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 42102607680

約数和(自身を除く): 22165899740

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 971, 1145, 1942, 2290, 3884, 4483, 4580, 4855, 8966, 9710, 17932, 19420, 22415, 44830, 89660, 222359, 444718, 889436, 1026607, 1111795, 2053214, 2223590, 4106428, 4352993, 4447180, 5133035, 8705986, 10266070, 17411972, 20532140, 21764965, 43529930, 87059860, 996835397, 1993670794, 3987341588, 4984176985, 9968353970, 19936707940]

約数ペア:

[(1, 19936707940), (2, 9968353970), (4, 4984176985), (5, 3987341588), (10, 1993670794), (20, 996835397), (229, 87059860), (458, 43529930), (916, 21764965), (971, 20532140), (1145, 17411972), (1942, 10266070), (2290, 8705986), (3884, 5133035), (4483, 4447180), (4580, 4352993), (4855, 4106428), (8966, 2223590), (9710, 2053214), (17932, 1111795), (19420, 1026607), (22415, 889436), (44830, 444718), (89660, 222359)]