18831136

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 20456672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 463, 496, 656, 926, 992, 1271, 1312, 1852, 2542, 3704, 5084, 7408, 10168, 14353, 14816, 18983, 20336, 28706, 37966, 40672, 57412, 75932, 114824, 151864, 229648, 303728, 459296, 588473, 607456, 1176946, 2353892, 4707784, 9415568, 18831136]

約数ペア:

[(1, 18831136), (2, 9415568), (4, 4707784), (8, 2353892), (16, 1176946), (31, 607456), (32, 588473), (41, 459296), (62, 303728), (82, 229648), (124, 151864), (164, 114824), (248, 75932), (328, 57412), (463, 40672), (496, 37966), (656, 28706), (926, 20336), (992, 18983), (1271, 14816), (1312, 14353), (1852, 10168), (2542, 7408), (3704, 5084)]