18505968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 52663296

約数和(自身を除く): 34157328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 631, 752, 1128, 1222, 1262, 1833, 1893, 2256, 2444, 2524, 3666, 3786, 4888, 5048, 7332, 7572, 8203, 9776, 10096, 14664, 15144, 16406, 24609, 29328, 29657, 30288, 32812, 49218, 59314, 65624, 88971, 98436, 118628, 131248, 177942, 196872, 237256, 355884, 385541, 393744, 474512, 711768, 771082, 1156623, 1423536, 1542164, 2313246, 3084328, 4626492, 6168656, 9252984, 18505968]

約数ペア:

[(1, 18505968), (2, 9252984), (3, 6168656), (4, 4626492), (6, 3084328), (8, 2313246), (12, 1542164), (13, 1423536), (16, 1156623), (24, 771082), (26, 711768), (39, 474512), (47, 393744), (48, 385541), (52, 355884), (78, 237256), (94, 196872), (104, 177942), (141, 131248), (156, 118628), (188, 98436), (208, 88971), (282, 65624), (312, 59314), (376, 49218), (564, 32812), (611, 30288), (624, 29657), (631, 29328), (752, 24609), (1128, 16406), (1222, 15144), (1262, 14664), (1833, 10096), (1893, 9776), (2256, 8203), (2444, 7572), (2524, 7332), (3666, 5048), (3786, 4888)]