18506488

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2311}}^1$

素因数の和:2348

約数の個数: 64

約数和(自身を含む): 46609920

約数和(自身を除く): 28103432

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2311, 4004, 4622, 8008, 9244, 16177, 18488, 25421, 30043, 32354, 50842, 60086, 64708, 101684, 120172, 129416, 177947, 203368, 210301, 240344, 330473, 355894, 420602, 660946, 711788, 841204, 1321892, 1423576, 1682408, 2313311, 2643784, 4626622, 9253244, 18506488]

約数ペア:

[(1, 18506488), (2, 9253244), (4, 4626622), (7, 2643784), (8, 2313311), (11, 1682408), (13, 1423576), (14, 1321892), (22, 841204), (26, 711788), (28, 660946), (44, 420602), (52, 355894), (56, 330473), (77, 240344), (88, 210301), (91, 203368), (104, 177947), (143, 129416), (154, 120172), (182, 101684), (286, 64708), (308, 60086), (364, 50842), (572, 32354), (616, 30043), (728, 25421), (1001, 18488), (1144, 16177), (2002, 9244), (2311, 8008), (4004, 4622)]