18971456

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 112

約数和(自身を含む): 47402496

約数和(自身を除く): 28431040

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 47, 53, 56, 64, 68, 94, 106, 112, 119, 136, 188, 212, 224, 238, 272, 329, 371, 376, 424, 448, 476, 544, 658, 742, 752, 799, 848, 901, 952, 1088, 1316, 1484, 1504, 1598, 1696, 1802, 1904, 2491, 2632, 2968, 3008, 3196, 3392, 3604, 3808, 4982, 5264, 5593, 5936, 6307, 6392, 7208, 7616, 9964, 10528, 11186, 11872, 12614, 12784, 14416, 17437, 19928, 21056, 22372, 23744, 25228, 25568, 28832, 34874, 39856, 42347, 44744, 50456, 51136, 57664, 69748, 79712, 84694, 89488, 100912, 139496, 159424, 169388, 178976, 201824, 278992, 296429, 338776, 357952, 403648, 557984, 592858, 677552, 1115968, 1185716, 1355104, 2371432, 2710208, 4742864, 9485728, 18971456]

約数ペア:

[(1, 18971456), (2, 9485728), (4, 4742864), (7, 2710208), (8, 2371432), (14, 1355104), (16, 1185716), (17, 1115968), (28, 677552), (32, 592858), (34, 557984), (47, 403648), (53, 357952), (56, 338776), (64, 296429), (68, 278992), (94, 201824), (106, 178976), (112, 169388), (119, 159424), (136, 139496), (188, 100912), (212, 89488), (224, 84694), (238, 79712), (272, 69748), (329, 57664), (371, 51136), (376, 50456), (424, 44744), (448, 42347), (476, 39856), (544, 34874), (658, 28832), (742, 25568), (752, 25228), (799, 23744), (848, 22372), (901, 21056), (952, 19928), (1088, 17437), (1316, 14416), (1484, 12784), (1504, 12614), (1598, 11872), (1696, 11186), (1802, 10528), (1904, 9964), (2491, 7616), (2632, 7208), (2968, 6392), (3008, 6307), (3196, 5936), (3392, 5593), (3604, 5264), (3808, 4982)]