15920898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 38983680

約数和(自身を除く): 23062782

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 281, 399, 426, 497, 562, 798, 843, 994, 1349, 1491, 1686, 1967, 2698, 2982, 3934, 4047, 5339, 5901, 8094, 9443, 10678, 11802, 16017, 18886, 19951, 28329, 32034, 37373, 39902, 56658, 59853, 74746, 112119, 119706, 139657, 224238, 279314, 379069, 418971, 758138, 837942, 1137207, 2274414, 2653483, 5306966, 7960449, 15920898]

約数ペア:

[(1, 15920898), (2, 7960449), (3, 5306966), (6, 2653483), (7, 2274414), (14, 1137207), (19, 837942), (21, 758138), (38, 418971), (42, 379069), (57, 279314), (71, 224238), (114, 139657), (133, 119706), (142, 112119), (213, 74746), (266, 59853), (281, 56658), (399, 39902), (426, 37373), (497, 32034), (562, 28329), (798, 19951), (843, 18886), (994, 16017), (1349, 11802), (1491, 10678), (1686, 9443), (1967, 8094), (2698, 5901), (2982, 5339), (3934, 4047)]