19809174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 30579306

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 809, 1113, 1166, 1618, 1749, 2226, 2427, 3498, 4081, 4854, 5663, 8162, 8899, 11326, 12243, 16989, 17798, 24486, 26697, 33978, 42877, 53394, 62293, 85754, 124586, 128631, 186879, 257262, 300139, 373758, 471647, 600278, 900417, 943294, 1414941, 1800834, 2829882, 3301529, 6603058, 9904587, 19809174]

約数ペア:

[(1, 19809174), (2, 9904587), (3, 6603058), (6, 3301529), (7, 2829882), (11, 1800834), (14, 1414941), (21, 943294), (22, 900417), (33, 600278), (42, 471647), (53, 373758), (66, 300139), (77, 257262), (106, 186879), (154, 128631), (159, 124586), (231, 85754), (318, 62293), (371, 53394), (462, 42877), (583, 33978), (742, 26697), (809, 24486), (1113, 17798), (1166, 16989), (1618, 12243), (1749, 11326), (2226, 8899), (2427, 8162), (3498, 5663), (4081, 4854)]