19483386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 44381568

約数和(自身を除く): 24898182

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 157, 222, 258, 314, 471, 481, 559, 942, 962, 1118, 1443, 1591, 1677, 2041, 2886, 3182, 3354, 4082, 4773, 5809, 6123, 6751, 9546, 11618, 12246, 13502, 17427, 20253, 20683, 34854, 40506, 41366, 62049, 75517, 87763, 124098, 151034, 175526, 226551, 249787, 263289, 453102, 499574, 526578, 749361, 1498722, 3247231, 6494462, 9741693, 19483386]

約数ペア:

[(1, 19483386), (2, 9741693), (3, 6494462), (6, 3247231), (13, 1498722), (26, 749361), (37, 526578), (39, 499574), (43, 453102), (74, 263289), (78, 249787), (86, 226551), (111, 175526), (129, 151034), (157, 124098), (222, 87763), (258, 75517), (314, 62049), (471, 41366), (481, 40506), (559, 34854), (942, 20683), (962, 20253), (1118, 17427), (1443, 13502), (1591, 12246), (1677, 11618), (2041, 9546), (2886, 6751), (3182, 6123), (3354, 5809), (4082, 4773)]