19928718

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 26380818

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1301, 1702, 2553, 2602, 3903, 5106, 7659, 7806, 11709, 15318, 23418, 29923, 48137, 59846, 89769, 96274, 144411, 179538, 269307, 288822, 433233, 538614, 866466, 1107151, 2214302, 3321453, 6642906, 9964359, 19928718]

約数ペア:

[(1, 19928718), (2, 9964359), (3, 6642906), (6, 3321453), (9, 2214302), (18, 1107151), (23, 866466), (37, 538614), (46, 433233), (69, 288822), (74, 269307), (111, 179538), (138, 144411), (207, 96274), (222, 89769), (333, 59846), (414, 48137), (666, 29923), (851, 23418), (1301, 15318), (1702, 11709), (2553, 7806), (2602, 7659), (3903, 5106)]