18877968

素因数分解:

$2^4\times 3^3\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 80

約数和(自身を含む): 54907200

約数和(自身を除く): 36029232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 89, 108, 144, 178, 216, 267, 356, 432, 491, 534, 712, 801, 982, 1068, 1424, 1473, 1602, 1964, 2136, 2403, 2946, 3204, 3928, 4272, 4419, 4806, 5892, 6408, 7856, 8838, 9612, 11784, 12816, 13257, 17676, 19224, 23568, 26514, 35352, 38448, 43699, 53028, 70704, 87398, 106056, 131097, 174796, 212112, 262194, 349592, 393291, 524388, 699184, 786582, 1048776, 1179873, 1573164, 2097552, 2359746, 3146328, 4719492, 6292656, 9438984, 18877968]

約数ペア:

[(1, 18877968), (2, 9438984), (3, 6292656), (4, 4719492), (6, 3146328), (8, 2359746), (9, 2097552), (12, 1573164), (16, 1179873), (18, 1048776), (24, 786582), (27, 699184), (36, 524388), (48, 393291), (54, 349592), (72, 262194), (89, 212112), (108, 174796), (144, 131097), (178, 106056), (216, 87398), (267, 70704), (356, 53028), (432, 43699), (491, 38448), (534, 35352), (712, 26514), (801, 23568), (982, 19224), (1068, 17676), (1424, 13257), (1473, 12816), (1602, 11784), (1964, 9612), (2136, 8838), (2403, 7856), (2946, 6408), (3204, 5892), (3928, 4806), (4272, 4419)]