19425924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 56591808

約数和(自身を除く): 37165884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 491, 628, 942, 982, 1099, 1413, 1473, 1884, 1964, 2198, 2826, 2946, 3297, 3437, 4396, 4419, 5652, 5892, 6594, 6874, 8838, 9891, 10311, 13188, 13748, 17676, 19782, 20622, 30933, 39564, 41244, 61866, 77087, 123732, 154174, 231261, 308348, 462522, 539609, 693783, 925044, 1079218, 1387566, 1618827, 2158436, 2775132, 3237654, 4856481, 6475308, 9712962, 19425924]

約数ペア:

[(1, 19425924), (2, 9712962), (3, 6475308), (4, 4856481), (6, 3237654), (7, 2775132), (9, 2158436), (12, 1618827), (14, 1387566), (18, 1079218), (21, 925044), (28, 693783), (36, 539609), (42, 462522), (63, 308348), (84, 231261), (126, 154174), (157, 123732), (252, 77087), (314, 61866), (471, 41244), (491, 39564), (628, 30933), (942, 20622), (982, 19782), (1099, 17676), (1413, 13748), (1473, 13188), (1884, 10311), (1964, 9891), (2198, 8838), (2826, 6874), (2946, 6594), (3297, 5892), (3437, 5652), (4396, 4419)]