19380444

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 49053312

約数和(自身を除く): 29672868

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 71, 86, 92, 129, 138, 142, 172, 213, 258, 276, 284, 426, 516, 529, 852, 989, 1058, 1587, 1633, 1978, 2116, 2967, 3053, 3174, 3266, 3956, 4899, 5934, 6106, 6348, 6532, 9159, 9798, 11868, 12212, 18318, 19596, 22747, 36636, 37559, 45494, 68241, 70219, 75118, 90988, 112677, 136482, 140438, 150236, 210657, 225354, 272964, 280876, 421314, 450708, 842628, 1615037, 3230074, 4845111, 6460148, 9690222, 19380444]

約数ペア:

[(1, 19380444), (2, 9690222), (3, 6460148), (4, 4845111), (6, 3230074), (12, 1615037), (23, 842628), (43, 450708), (46, 421314), (69, 280876), (71, 272964), (86, 225354), (92, 210657), (129, 150236), (138, 140438), (142, 136482), (172, 112677), (213, 90988), (258, 75118), (276, 70219), (284, 68241), (426, 45494), (516, 37559), (529, 36636), (852, 22747), (989, 19596), (1058, 18318), (1587, 12212), (1633, 11868), (1978, 9798), (2116, 9159), (2967, 6532), (3053, 6348), (3174, 6106), (3266, 5934), (3956, 4899)]