19930768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 46996992

約数和(自身を除く): 27066224

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 281, 286, 341, 403, 496, 562, 572, 682, 806, 1124, 1144, 1364, 1612, 2248, 2288, 2728, 3091, 3224, 3653, 4433, 4496, 5456, 6182, 6448, 7306, 8711, 8866, 12364, 14612, 17422, 17732, 24728, 29224, 34844, 35464, 40183, 49456, 58448, 69688, 70928, 80366, 95821, 113243, 139376, 160732, 191642, 226486, 321464, 383284, 452972, 642928, 766568, 905944, 1245673, 1533136, 1811888, 2491346, 4982692, 9965384, 19930768]

約数ペア:

[(1, 19930768), (2, 9965384), (4, 4982692), (8, 2491346), (11, 1811888), (13, 1533136), (16, 1245673), (22, 905944), (26, 766568), (31, 642928), (44, 452972), (52, 383284), (62, 321464), (88, 226486), (104, 191642), (124, 160732), (143, 139376), (176, 113243), (208, 95821), (248, 80366), (281, 70928), (286, 69688), (341, 58448), (403, 49456), (496, 40183), (562, 35464), (572, 34844), (682, 29224), (806, 24728), (1124, 17732), (1144, 17422), (1364, 14612), (1612, 12364), (2248, 8866), (2288, 8711), (2728, 7306), (3091, 6448), (3224, 6182), (3653, 5456), (4433, 4496)]