18357456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 53734656

約数和(自身を除く): 35377200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 73, 78, 93, 104, 124, 146, 156, 169, 186, 208, 219, 248, 292, 312, 338, 372, 403, 438, 496, 507, 584, 624, 676, 744, 806, 876, 949, 1014, 1168, 1209, 1352, 1488, 1612, 1752, 1898, 2028, 2263, 2418, 2704, 2847, 3224, 3504, 3796, 4056, 4526, 4836, 5239, 5694, 6448, 6789, 7592, 8112, 9052, 9672, 10478, 11388, 12337, 13578, 15184, 15717, 18104, 19344, 20956, 22776, 24674, 27156, 29419, 31434, 36208, 37011, 41912, 45552, 49348, 54312, 58838, 62868, 74022, 83824, 88257, 98696, 108624, 117676, 125736, 148044, 176514, 197392, 235352, 251472, 296088, 353028, 382447, 470704, 592176, 706056, 764894, 1147341, 1412112, 1529788, 2294682, 3059576, 4589364, 6119152, 9178728, 18357456]

約数ペア:

[(1, 18357456), (2, 9178728), (3, 6119152), (4, 4589364), (6, 3059576), (8, 2294682), (12, 1529788), (13, 1412112), (16, 1147341), (24, 764894), (26, 706056), (31, 592176), (39, 470704), (48, 382447), (52, 353028), (62, 296088), (73, 251472), (78, 235352), (93, 197392), (104, 176514), (124, 148044), (146, 125736), (156, 117676), (169, 108624), (186, 98696), (208, 88257), (219, 83824), (248, 74022), (292, 62868), (312, 58838), (338, 54312), (372, 49348), (403, 45552), (438, 41912), (496, 37011), (507, 36208), (584, 31434), (624, 29419), (676, 27156), (744, 24674), (806, 22776), (876, 20956), (949, 19344), (1014, 18104), (1168, 15717), (1209, 15184), (1352, 13578), (1488, 12337), (1612, 11388), (1752, 10478), (1898, 9672), (2028, 9052), (2263, 8112), (2418, 7592), (2704, 6789), (2847, 6448), (3224, 5694), (3504, 5239), (3796, 4836), (4056, 4526)]