19618144

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6737}}^1$

素因数の和:6767

約数の個数: 48

約数和(自身を含む): 47543328

約数和(自身を除く): 27925184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6737, 13474, 26948, 47159, 53896, 87581, 94318, 107792, 175162, 188636, 215584, 350324, 377272, 613067, 700648, 754544, 1226134, 1401296, 1509088, 2452268, 2802592, 4904536, 9809072, 19618144]

約数ペア:

[(1, 19618144), (2, 9809072), (4, 4904536), (7, 2802592), (8, 2452268), (13, 1509088), (14, 1401296), (16, 1226134), (26, 754544), (28, 700648), (32, 613067), (52, 377272), (56, 350324), (91, 215584), (104, 188636), (112, 175162), (182, 107792), (208, 94318), (224, 87581), (364, 53896), (416, 47159), (728, 26948), (1456, 13474), (2912, 6737)]