18968568

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 49986720

約数和(自身を除く): 31018152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 296, 328, 444, 492, 521, 888, 984, 1042, 1517, 1563, 2084, 3034, 3126, 4168, 4551, 6068, 6252, 9102, 12136, 12504, 18204, 19277, 21361, 36408, 38554, 42722, 57831, 64083, 77108, 85444, 115662, 128166, 154216, 170888, 231324, 256332, 462648, 512664, 790357, 1580714, 2371071, 3161428, 4742142, 6322856, 9484284, 18968568]

約数ペア:

[(1, 18968568), (2, 9484284), (3, 6322856), (4, 4742142), (6, 3161428), (8, 2371071), (12, 1580714), (24, 790357), (37, 512664), (41, 462648), (74, 256332), (82, 231324), (111, 170888), (123, 154216), (148, 128166), (164, 115662), (222, 85444), (246, 77108), (296, 64083), (328, 57831), (444, 42722), (492, 38554), (521, 36408), (888, 21361), (984, 19277), (1042, 18204), (1517, 12504), (1563, 12136), (2084, 9102), (3034, 6252), (3126, 6068), (4168, 4551)]