19169904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 55107584

約数和(自身を除く): 35937680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 991, 1209, 1488, 1612, 1982, 2418, 2973, 3224, 3964, 4836, 5946, 6448, 7928, 9672, 11892, 12883, 15856, 19344, 23784, 25766, 30721, 38649, 47568, 51532, 61442, 77298, 92163, 103064, 122884, 154596, 184326, 206128, 245768, 309192, 368652, 399373, 491536, 618384, 737304, 798746, 1198119, 1474608, 1597492, 2396238, 3194984, 4792476, 6389968, 9584952, 19169904]

約数ペア:

[(1, 19169904), (2, 9584952), (3, 6389968), (4, 4792476), (6, 3194984), (8, 2396238), (12, 1597492), (13, 1474608), (16, 1198119), (24, 798746), (26, 737304), (31, 618384), (39, 491536), (48, 399373), (52, 368652), (62, 309192), (78, 245768), (93, 206128), (104, 184326), (124, 154596), (156, 122884), (186, 103064), (208, 92163), (248, 77298), (312, 61442), (372, 51532), (403, 47568), (496, 38649), (624, 30721), (744, 25766), (806, 23784), (991, 19344), (1209, 15856), (1488, 12883), (1612, 11892), (1982, 9672), (2418, 7928), (2973, 6448), (3224, 5946), (3964, 4836)]