18420048

素因数分解:

$2^4\times 3^4\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 100

約数和(自身を含む): 54419508

約数和(自身を除く): 35999460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 81, 108, 122, 144, 162, 183, 216, 233, 244, 324, 366, 432, 466, 488, 549, 648, 699, 732, 932, 976, 1098, 1296, 1398, 1464, 1647, 1864, 2097, 2196, 2796, 2928, 3294, 3728, 4194, 4392, 4941, 5592, 6291, 6588, 8388, 8784, 9882, 11184, 12582, 13176, 14213, 16776, 18873, 19764, 25164, 26352, 28426, 33552, 37746, 39528, 42639, 50328, 56852, 75492, 79056, 85278, 100656, 113704, 127917, 150984, 170556, 227408, 255834, 301968, 341112, 383751, 511668, 682224, 767502, 1023336, 1151253, 1535004, 2046672, 2302506, 3070008, 4605012, 6140016, 9210024, 18420048]

約数ペア:

[(1, 18420048), (2, 9210024), (3, 6140016), (4, 4605012), (6, 3070008), (8, 2302506), (9, 2046672), (12, 1535004), (16, 1151253), (18, 1023336), (24, 767502), (27, 682224), (36, 511668), (48, 383751), (54, 341112), (61, 301968), (72, 255834), (81, 227408), (108, 170556), (122, 150984), (144, 127917), (162, 113704), (183, 100656), (216, 85278), (233, 79056), (244, 75492), (324, 56852), (366, 50328), (432, 42639), (466, 39528), (488, 37746), (549, 33552), (648, 28426), (699, 26352), (732, 25164), (932, 19764), (976, 18873), (1098, 16776), (1296, 14213), (1398, 13176), (1464, 12582), (1647, 11184), (1864, 9882), (2097, 8784), (2196, 8388), (2796, 6588), (2928, 6291), (3294, 5592), (3728, 4941), (4194, 4392)]