18761868

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:828

約数の個数: 60

約数和(自身を含む): 49735840

約数和(自身を除く): 30973972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 711, 733, 948, 1422, 1466, 2133, 2199, 2844, 2932, 4266, 4398, 6399, 6597, 8532, 8796, 12798, 13194, 19791, 25596, 26388, 39582, 57907, 59373, 79164, 115814, 118746, 173721, 231628, 237492, 347442, 521163, 694884, 1042326, 1563489, 2084652, 3126978, 4690467, 6253956, 9380934, 18761868]

約数ペア:

[(1, 18761868), (2, 9380934), (3, 6253956), (4, 4690467), (6, 3126978), (9, 2084652), (12, 1563489), (18, 1042326), (27, 694884), (36, 521163), (54, 347442), (79, 237492), (81, 231628), (108, 173721), (158, 118746), (162, 115814), (237, 79164), (316, 59373), (324, 57907), (474, 39582), (711, 26388), (733, 25596), (948, 19791), (1422, 13194), (1466, 12798), (2133, 8796), (2199, 8532), (2844, 6597), (2932, 6399), (4266, 4398)]