18469672

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 21058328

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 719, 988, 1352, 1438, 1976, 2876, 3211, 5752, 6422, 9347, 12844, 13661, 18694, 25688, 27322, 37388, 54644, 74776, 109288, 121511, 177593, 243022, 355186, 486044, 710372, 972088, 1420744, 2308709, 4617418, 9234836, 18469672]

約数ペア:

[(1, 18469672), (2, 9234836), (4, 4617418), (8, 2308709), (13, 1420744), (19, 972088), (26, 710372), (38, 486044), (52, 355186), (76, 243022), (104, 177593), (152, 121511), (169, 109288), (247, 74776), (338, 54644), (494, 37388), (676, 27322), (719, 25688), (988, 18694), (1352, 13661), (1438, 12844), (1976, 9347), (2876, 6422), (3211, 5752)]