19739952

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^2\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 90

約数和(自身を含む): 57566132

約数和(自身を除く): 37826180

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 163, 174, 232, 261, 326, 348, 464, 489, 522, 652, 696, 841, 978, 1044, 1304, 1392, 1467, 1682, 1956, 2088, 2523, 2608, 2934, 3364, 3912, 4176, 4727, 5046, 5868, 6728, 7569, 7824, 9454, 10092, 11736, 13456, 14181, 15138, 18908, 20184, 23472, 28362, 30276, 37816, 40368, 42543, 56724, 60552, 75632, 85086, 113448, 121104, 137083, 170172, 226896, 274166, 340344, 411249, 548332, 680688, 822498, 1096664, 1233747, 1644996, 2193328, 2467494, 3289992, 4934988, 6579984, 9869976, 19739952]

約数ペア:

[(1, 19739952), (2, 9869976), (3, 6579984), (4, 4934988), (6, 3289992), (8, 2467494), (9, 2193328), (12, 1644996), (16, 1233747), (18, 1096664), (24, 822498), (29, 680688), (36, 548332), (48, 411249), (58, 340344), (72, 274166), (87, 226896), (116, 170172), (144, 137083), (163, 121104), (174, 113448), (232, 85086), (261, 75632), (326, 60552), (348, 56724), (464, 42543), (489, 40368), (522, 37816), (652, 30276), (696, 28362), (841, 23472), (978, 20184), (1044, 18908), (1304, 15138), (1392, 14181), (1467, 13456), (1682, 11736), (1956, 10092), (2088, 9454), (2523, 7824), (2608, 7569), (2934, 6728), (3364, 5868), (3912, 5046), (4176, 4727)]