19705312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 46539360

約数和(自身を除く): 26834048

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 37, 44, 68, 74, 88, 89, 136, 148, 176, 178, 187, 272, 296, 352, 356, 374, 407, 544, 592, 629, 712, 748, 814, 979, 1184, 1258, 1424, 1496, 1513, 1628, 1958, 2516, 2848, 2992, 3026, 3256, 3293, 3916, 5032, 5984, 6052, 6512, 6586, 6919, 7832, 10064, 12104, 13024, 13172, 13838, 15664, 16643, 20128, 24208, 26344, 27676, 31328, 33286, 36223, 48416, 52688, 55352, 55981, 66572, 72446, 105376, 110704, 111962, 133144, 144892, 221408, 223924, 266288, 289784, 447848, 532576, 579568, 615791, 895696, 1159136, 1231582, 1791392, 2463164, 4926328, 9852656, 19705312]

約数ペア:

[(1, 19705312), (2, 9852656), (4, 4926328), (8, 2463164), (11, 1791392), (16, 1231582), (17, 1159136), (22, 895696), (32, 615791), (34, 579568), (37, 532576), (44, 447848), (68, 289784), (74, 266288), (88, 223924), (89, 221408), (136, 144892), (148, 133144), (176, 111962), (178, 110704), (187, 105376), (272, 72446), (296, 66572), (352, 55981), (356, 55352), (374, 52688), (407, 48416), (544, 36223), (592, 33286), (629, 31328), (712, 27676), (748, 26344), (814, 24208), (979, 20128), (1184, 16643), (1258, 15664), (1424, 13838), (1496, 13172), (1513, 13024), (1628, 12104), (1958, 10064), (2516, 7832), (2848, 6919), (2992, 6586), (3026, 6512), (3256, 6052), (3293, 5984), (3916, 5032)]