19699992

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 57809700

約数和(自身を除く): 38109708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1619, 2028, 3042, 3238, 4056, 4857, 6084, 6476, 9714, 12168, 12952, 14571, 19428, 21047, 29142, 38856, 42094, 58284, 63141, 84188, 116568, 126282, 168376, 189423, 252564, 273611, 378846, 505128, 547222, 757692, 820833, 1094444, 1515384, 1641666, 2188888, 2462499, 3283332, 4924998, 6566664, 9849996, 19699992]

約数ペア:

[(1, 19699992), (2, 9849996), (3, 6566664), (4, 4924998), (6, 3283332), (8, 2462499), (9, 2188888), (12, 1641666), (13, 1515384), (18, 1094444), (24, 820833), (26, 757692), (36, 547222), (39, 505128), (52, 378846), (72, 273611), (78, 252564), (104, 189423), (117, 168376), (156, 126282), (169, 116568), (234, 84188), (312, 63141), (338, 58284), (468, 42094), (507, 38856), (676, 29142), (936, 21047), (1014, 19428), (1352, 14571), (1521, 12952), (1619, 12168), (2028, 9714), (3042, 6476), (3238, 6084), (4056, 4857)]