19831336

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25269464

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 89, 92, 161, 173, 178, 184, 322, 346, 356, 623, 644, 692, 712, 1211, 1246, 1288, 1384, 2047, 2422, 2492, 3979, 4094, 4844, 4984, 7958, 8188, 9688, 14329, 15397, 15916, 16376, 27853, 28658, 30794, 31832, 55706, 57316, 61588, 107779, 111412, 114632, 123176, 215558, 222824, 354131, 431116, 708262, 862232, 1416524, 2478917, 2833048, 4957834, 9915668, 19831336]

約数ペア:

[(1, 19831336), (2, 9915668), (4, 4957834), (7, 2833048), (8, 2478917), (14, 1416524), (23, 862232), (28, 708262), (46, 431116), (56, 354131), (89, 222824), (92, 215558), (161, 123176), (173, 114632), (178, 111412), (184, 107779), (322, 61588), (346, 57316), (356, 55706), (623, 31832), (644, 30794), (692, 28658), (712, 27853), (1211, 16376), (1246, 15916), (1288, 15397), (1384, 14329), (2047, 9688), (2422, 8188), (2492, 7958), (3979, 4984), (4094, 4844)]