18703968

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 52690176

約数和(自身を除く): 33986208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 197, 258, 276, 344, 368, 394, 516, 552, 591, 688, 736, 788, 989, 1032, 1104, 1182, 1376, 1576, 1978, 2064, 2208, 2364, 2967, 3152, 3956, 4128, 4531, 4728, 5934, 6304, 7912, 8471, 9062, 9456, 11868, 13593, 15824, 16942, 18124, 18912, 23736, 25413, 27186, 31648, 33884, 36248, 47472, 50826, 54372, 67768, 72496, 94944, 101652, 108744, 135536, 144992, 194833, 203304, 217488, 271072, 389666, 406608, 434976, 584499, 779332, 813216, 1168998, 1558664, 2337996, 3117328, 4675992, 6234656, 9351984, 18703968]

約数ペア:

[(1, 18703968), (2, 9351984), (3, 6234656), (4, 4675992), (6, 3117328), (8, 2337996), (12, 1558664), (16, 1168998), (23, 813216), (24, 779332), (32, 584499), (43, 434976), (46, 406608), (48, 389666), (69, 271072), (86, 217488), (92, 203304), (96, 194833), (129, 144992), (138, 135536), (172, 108744), (184, 101652), (197, 94944), (258, 72496), (276, 67768), (344, 54372), (368, 50826), (394, 47472), (516, 36248), (552, 33884), (591, 31648), (688, 27186), (736, 25413), (788, 23736), (989, 18912), (1032, 18124), (1104, 16942), (1182, 15824), (1376, 13593), (1576, 11868), (1978, 9456), (2064, 9062), (2208, 8471), (2364, 7912), (2967, 6304), (3152, 5934), (3956, 4728), (4128, 4531)]