19521866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 37384704

約数和(自身を除く): 17862838

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 169, 182, 223, 259, 338, 446, 481, 518, 962, 1183, 1561, 2366, 2899, 3122, 3367, 5798, 6253, 6734, 8251, 12506, 16502, 20293, 37687, 40586, 43771, 57757, 75374, 87542, 107263, 115514, 214526, 263809, 527618, 750841, 1394419, 1501682, 2788838, 9760933, 19521866]

約数ペア:

[(1, 19521866), (2, 9760933), (7, 2788838), (13, 1501682), (14, 1394419), (26, 750841), (37, 527618), (74, 263809), (91, 214526), (169, 115514), (182, 107263), (223, 87542), (259, 75374), (338, 57757), (446, 43771), (481, 40586), (518, 37687), (962, 20293), (1183, 16502), (1561, 12506), (2366, 8251), (2899, 6734), (3122, 6253), (3367, 5798)]