18643064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 22068616

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 61, 88, 92, 122, 151, 184, 244, 253, 302, 488, 506, 604, 671, 1012, 1208, 1342, 1403, 1661, 2024, 2684, 2806, 3322, 3473, 5368, 5612, 6644, 6946, 9211, 11224, 13288, 13892, 15433, 18422, 27784, 30866, 36844, 38203, 61732, 73688, 76406, 101321, 123464, 152812, 202642, 211853, 305624, 405284, 423706, 810568, 847412, 1694824, 2330383, 4660766, 9321532, 18643064]

約数ペア:

[(1, 18643064), (2, 9321532), (4, 4660766), (8, 2330383), (11, 1694824), (22, 847412), (23, 810568), (44, 423706), (46, 405284), (61, 305624), (88, 211853), (92, 202642), (122, 152812), (151, 123464), (184, 101321), (244, 76406), (253, 73688), (302, 61732), (488, 38203), (506, 36844), (604, 30866), (671, 27784), (1012, 18422), (1208, 15433), (1342, 13892), (1403, 13288), (1661, 11224), (2024, 9211), (2684, 6946), (2806, 6644), (3322, 5612), (3473, 5368)]