19731656

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 24591544

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 89, 107, 148, 178, 214, 259, 296, 356, 428, 518, 623, 712, 749, 856, 1036, 1246, 1498, 2072, 2492, 2996, 3293, 3959, 4984, 5992, 6586, 7918, 9523, 13172, 15836, 19046, 23051, 26344, 27713, 31672, 38092, 46102, 55426, 66661, 76184, 92204, 110852, 133322, 184408, 221704, 266644, 352351, 533288, 704702, 1409404, 2466457, 2818808, 4932914, 9865828, 19731656]

約数ペア:

[(1, 19731656), (2, 9865828), (4, 4932914), (7, 2818808), (8, 2466457), (14, 1409404), (28, 704702), (37, 533288), (56, 352351), (74, 266644), (89, 221704), (107, 184408), (148, 133322), (178, 110852), (214, 92204), (259, 76184), (296, 66661), (356, 55426), (428, 46102), (518, 38092), (623, 31672), (712, 27713), (749, 26344), (856, 23051), (1036, 19046), (1246, 15836), (1498, 13172), (2072, 9523), (2492, 7918), (2996, 6586), (3293, 5992), (3959, 4984)]