19645687552

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{1423}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 39584921600

約数和(自身を除く): 19939234048

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 271, 398, 542, 796, 1084, 1423, 1592, 2168, 2846, 3184, 4336, 5692, 6368, 8672, 11384, 12736, 17344, 22768, 25472, 34688, 45536, 50944, 53929, 69376, 91072, 107858, 182144, 215716, 283177, 364288, 385633, 431432, 566354, 771266, 862864, 1132708, 1542532, 1725728, 2265416, 3085064, 3451456, 4530832, 6170128, 6902912, 9061664, 12340256, 13805824, 18123328, 24680512, 36246656, 49361024, 72493312, 76740967, 98722048, 153481934, 306963868, 613927736, 1227855472, 2455710944, 4911421888, 9822843776, 19645687552]

約数ペア:

[(1, 19645687552), (2, 9822843776), (4, 4911421888), (8, 2455710944), (16, 1227855472), (32, 613927736), (64, 306963868), (128, 153481934), (199, 98722048), (256, 76740967), (271, 72493312), (398, 49361024), (542, 36246656), (796, 24680512), (1084, 18123328), (1423, 13805824), (1592, 12340256), (2168, 9061664), (2846, 6902912), (3184, 6170128), (4336, 4530832), (5692, 3451456), (6368, 3085064), (8672, 2265416), (11384, 1725728), (12736, 1542532), (17344, 1132708), (22768, 862864), (25472, 771266), (34688, 566354), (45536, 431432), (50944, 385633), (53929, 364288), (69376, 283177), (91072, 215716), (107858, 182144)]