19131984

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 55819840

約数和(自身を除く): 36687856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 661, 804, 1072, 1206, 1322, 1608, 1809, 1983, 2412, 2644, 3216, 3618, 3966, 4824, 5288, 5949, 7236, 7932, 9648, 10576, 11898, 14472, 15864, 17847, 23796, 28944, 31728, 35694, 44287, 47592, 71388, 88574, 95184, 132861, 142776, 177148, 265722, 285552, 354296, 398583, 531444, 708592, 797166, 1062888, 1195749, 1594332, 2125776, 2391498, 3188664, 4782996, 6377328, 9565992, 19131984]

約数ペア:

[(1, 19131984), (2, 9565992), (3, 6377328), (4, 4782996), (6, 3188664), (8, 2391498), (9, 2125776), (12, 1594332), (16, 1195749), (18, 1062888), (24, 797166), (27, 708592), (36, 531444), (48, 398583), (54, 354296), (67, 285552), (72, 265722), (108, 177148), (134, 142776), (144, 132861), (201, 95184), (216, 88574), (268, 71388), (402, 47592), (432, 44287), (536, 35694), (603, 31728), (661, 28944), (804, 23796), (1072, 17847), (1206, 15864), (1322, 14472), (1608, 11898), (1809, 10576), (1983, 9648), (2412, 7932), (2644, 7236), (3216, 5949), (3618, 5288), (3966, 4824)]