19698976

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22975712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 293, 352, 382, 586, 764, 1172, 1528, 2101, 2344, 3056, 3223, 4202, 4688, 6112, 6446, 8404, 9376, 12892, 16808, 25784, 33616, 51568, 55963, 67232, 103136, 111926, 223852, 447704, 615593, 895408, 1231186, 1790816, 2462372, 4924744, 9849488, 19698976]

約数ペア:

[(1, 19698976), (2, 9849488), (4, 4924744), (8, 2462372), (11, 1790816), (16, 1231186), (22, 895408), (32, 615593), (44, 447704), (88, 223852), (176, 111926), (191, 103136), (293, 67232), (352, 55963), (382, 51568), (586, 33616), (764, 25784), (1172, 16808), (1528, 12892), (2101, 9376), (2344, 8404), (3056, 6446), (3223, 6112), (4202, 4688)]