18215712

素因数分解:

$2^5\times 3^3\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 36821088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 87, 96, 108, 116, 144, 174, 216, 232, 261, 288, 348, 432, 464, 522, 696, 727, 783, 864, 928, 1044, 1392, 1454, 1566, 2088, 2181, 2784, 2908, 3132, 4176, 4362, 5816, 6264, 6543, 8352, 8724, 11632, 12528, 13086, 17448, 19629, 21083, 23264, 25056, 26172, 34896, 39258, 42166, 52344, 63249, 69792, 78516, 84332, 104688, 126498, 157032, 168664, 189747, 209376, 252996, 314064, 337328, 379494, 505992, 569241, 628128, 674656, 758988, 1011984, 1138482, 1517976, 2023968, 2276964, 3035952, 4553928, 6071904, 9107856, 18215712]

約数ペア:

[(1, 18215712), (2, 9107856), (3, 6071904), (4, 4553928), (6, 3035952), (8, 2276964), (9, 2023968), (12, 1517976), (16, 1138482), (18, 1011984), (24, 758988), (27, 674656), (29, 628128), (32, 569241), (36, 505992), (48, 379494), (54, 337328), (58, 314064), (72, 252996), (87, 209376), (96, 189747), (108, 168664), (116, 157032), (144, 126498), (174, 104688), (216, 84332), (232, 78516), (261, 69792), (288, 63249), (348, 52344), (432, 42166), (464, 39258), (522, 34896), (696, 26172), (727, 25056), (783, 23264), (864, 21083), (928, 19629), (1044, 17448), (1392, 13086), (1454, 12528), (1566, 11632), (2088, 8724), (2181, 8352), (2784, 6543), (2908, 6264), (3132, 5816), (4176, 4362)]