18665792

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 39090600

約数和(自身を除く): 20424808

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 89, 113, 116, 178, 226, 232, 356, 452, 464, 712, 904, 928, 1424, 1808, 1856, 2581, 2848, 3277, 3616, 5162, 5696, 6554, 7232, 10057, 10324, 13108, 20114, 20648, 26216, 40228, 41296, 52432, 80456, 82592, 104864, 160912, 165184, 209728, 291653, 321824, 583306, 643648, 1166612, 2333224, 4666448, 9332896, 18665792]

約数ペア:

[(1, 18665792), (2, 9332896), (4, 4666448), (8, 2333224), (16, 1166612), (29, 643648), (32, 583306), (58, 321824), (64, 291653), (89, 209728), (113, 165184), (116, 160912), (178, 104864), (226, 82592), (232, 80456), (356, 52432), (452, 41296), (464, 40228), (712, 26216), (904, 20648), (928, 20114), (1424, 13108), (1808, 10324), (1856, 10057), (2581, 7232), (2848, 6554), (3277, 5696), (3616, 5162)]