19967668164

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{487}}^1\times {\mathrm{10079}}^1$

素因数の和:10689

約数の個数: 72

約数和(自身を含む): 51030120960

約数和(自身を除く): 31062452796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 487, 678, 974, 1017, 1356, 1461, 1948, 2034, 2922, 4068, 4383, 5844, 8766, 10079, 17532, 20158, 30237, 40316, 55031, 60474, 90711, 110062, 120948, 165093, 181422, 220124, 330186, 362844, 495279, 660372, 990558, 1138927, 1981116, 2277854, 3416781, 4555708, 4908473, 6833562, 9816946, 10250343, 13667124, 14725419, 19633892, 20500686, 29450838, 41001372, 44176257, 58901676, 88352514, 176705028, 554657449, 1109314898, 1663972347, 2218629796, 3327944694, 4991917041, 6655889388, 9983834082, 19967668164]

約数ペア:

[(1, 19967668164), (2, 9983834082), (3, 6655889388), (4, 4991917041), (6, 3327944694), (9, 2218629796), (12, 1663972347), (18, 1109314898), (36, 554657449), (113, 176705028), (226, 88352514), (339, 58901676), (452, 44176257), (487, 41001372), (678, 29450838), (974, 20500686), (1017, 19633892), (1356, 14725419), (1461, 13667124), (1948, 10250343), (2034, 9816946), (2922, 6833562), (4068, 4908473), (4383, 4555708), (5844, 3416781), (8766, 2277854), (10079, 1981116), (17532, 1138927), (20158, 990558), (30237, 660372), (40316, 495279), (55031, 362844), (60474, 330186), (90711, 220124), (110062, 181422), (120948, 165093)]