19212228

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 59032512

約数和(自身を除く): 39820284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 197, 252, 258, 301, 324, 378, 387, 394, 516, 567, 591, 602, 756, 774, 788, 903, 1134, 1161, 1182, 1204, 1379, 1548, 1773, 1806, 2268, 2322, 2364, 2709, 2758, 3483, 3546, 3612, 4137, 4644, 5319, 5418, 5516, 6966, 7092, 8127, 8274, 8471, 10638, 10836, 12411, 13932, 15957, 16254, 16548, 16942, 21276, 24381, 24822, 25413, 31914, 32508, 33884, 37233, 48762, 49644, 50826, 59297, 63828, 74466, 76239, 97524, 101652, 111699, 118594, 148932, 152478, 177891, 223398, 228717, 237188, 304956, 355782, 446796, 457434, 533673, 686151, 711564, 914868, 1067346, 1372302, 1601019, 2134692, 2744604, 3202038, 4803057, 6404076, 9606114, 19212228]

約数ペア:

[(1, 19212228), (2, 9606114), (3, 6404076), (4, 4803057), (6, 3202038), (7, 2744604), (9, 2134692), (12, 1601019), (14, 1372302), (18, 1067346), (21, 914868), (27, 711564), (28, 686151), (36, 533673), (42, 457434), (43, 446796), (54, 355782), (63, 304956), (81, 237188), (84, 228717), (86, 223398), (108, 177891), (126, 152478), (129, 148932), (162, 118594), (172, 111699), (189, 101652), (197, 97524), (252, 76239), (258, 74466), (301, 63828), (324, 59297), (378, 50826), (387, 49644), (394, 48762), (516, 37233), (567, 33884), (591, 32508), (602, 31914), (756, 25413), (774, 24822), (788, 24381), (903, 21276), (1134, 16942), (1161, 16548), (1182, 16254), (1204, 15957), (1379, 13932), (1548, 12411), (1773, 10836), (1806, 10638), (2268, 8471), (2322, 8274), (2364, 8127), (2709, 7092), (2758, 6966), (3483, 5516), (3546, 5418), (3612, 5319), (4137, 4644)]