18782768

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 37564560

約数和(自身を除く): 18781792

約数列:

[1, 2, 4, 8, 16, 59, 101, 118, 197, 202, 236, 394, 404, 472, 788, 808, 944, 1576, 1616, 3152, 5959, 11623, 11918, 19897, 23246, 23836, 39794, 46492, 47672, 79588, 92984, 95344, 159176, 185968, 318352, 1173923, 2347846, 4695692, 9391384, 18782768]

約数ペア:

[(1, 18782768), (2, 9391384), (4, 4695692), (8, 2347846), (16, 1173923), (59, 318352), (101, 185968), (118, 159176), (197, 95344), (202, 92984), (236, 79588), (394, 47672), (404, 46492), (472, 39794), (788, 23836), (808, 23246), (944, 19897), (1576, 11918), (1616, 11623), (3152, 5959)]