18993584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51613}}^1$

素因数の和:51644

約数の個数: 20

約数和(自身を含む): 38400816

約数和(自身を除く): 19407232

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51613, 103226, 206452, 412904, 825808, 1187099, 2374198, 4748396, 9496792, 18993584]

約数ペア:

[(1, 18993584), (2, 9496792), (4, 4748396), (8, 2374198), (16, 1187099), (23, 825808), (46, 412904), (92, 206452), (184, 103226), (368, 51613)]