18711308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 22683892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 769, 869, 1106, 1538, 1738, 2212, 3076, 3476, 5383, 6083, 8459, 10766, 12166, 16918, 21532, 24332, 33836, 59213, 60751, 118426, 121502, 236852, 243004, 425257, 668261, 850514, 1336522, 1701028, 2673044, 4677827, 9355654, 18711308]

約数ペア:

[(1, 18711308), (2, 9355654), (4, 4677827), (7, 2673044), (11, 1701028), (14, 1336522), (22, 850514), (28, 668261), (44, 425257), (77, 243004), (79, 236852), (154, 121502), (158, 118426), (308, 60751), (316, 59213), (553, 33836), (769, 24332), (869, 21532), (1106, 16918), (1538, 12166), (1738, 10766), (2212, 8459), (3076, 6083), (3476, 5383)]