18204316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 37029888

約数和(自身を除く): 18825572

約数列:

[1, 2, 4, 13, 23, 26, 31, 46, 52, 62, 92, 124, 299, 403, 491, 598, 713, 806, 982, 1196, 1426, 1612, 1964, 2852, 6383, 9269, 11293, 12766, 15221, 18538, 22586, 25532, 30442, 37076, 45172, 60884, 146809, 197873, 293618, 350083, 395746, 587236, 700166, 791492, 1400332, 4551079, 9102158, 18204316]

約数ペア:

[(1, 18204316), (2, 9102158), (4, 4551079), (13, 1400332), (23, 791492), (26, 700166), (31, 587236), (46, 395746), (52, 350083), (62, 293618), (92, 197873), (124, 146809), (299, 60884), (403, 45172), (491, 37076), (598, 30442), (713, 25532), (806, 22586), (982, 18538), (1196, 15221), (1426, 12766), (1612, 11293), (1964, 9269), (2852, 6383)]