18011870015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{1889}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 22504366080

約数和(自身を除く): 4492496065

約数列:

[1, 5, 31, 155, 227, 271, 1135, 1355, 1889, 7037, 8401, 9445, 35185, 42005, 58559, 61517, 292795, 307585, 428803, 511919, 1907027, 2144015, 2559595, 9535135, 13292893, 15869489, 66464465, 79347445, 116205613, 581028065, 3602374003, 18011870015]

約数ペア:

[(1, 18011870015), (5, 3602374003), (31, 581028065), (155, 116205613), (227, 79347445), (271, 66464465), (1135, 15869489), (1355, 13292893), (1889, 9535135), (7037, 2559595), (8401, 2144015), (9445, 1907027), (35185, 511919), (42005, 428803), (58559, 307585), (61517, 292795)]