19806892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 43079680

約数和(自身を除く): 23272788

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1201, 2356, 2402, 4123, 4804, 8246, 8407, 16492, 16814, 22819, 33628, 37231, 45638, 74462, 91276, 148924, 159733, 260617, 319466, 521234, 638932, 707389, 1042468, 1414778, 2829556, 4951723, 9903446, 19806892]

約数ペア:

[(1, 19806892), (2, 9903446), (4, 4951723), (7, 2829556), (14, 1414778), (19, 1042468), (28, 707389), (31, 638932), (38, 521234), (62, 319466), (76, 260617), (124, 159733), (133, 148924), (217, 91276), (266, 74462), (434, 45638), (532, 37231), (589, 33628), (868, 22819), (1178, 16814), (1201, 16492), (2356, 8407), (2402, 8246), (4123, 4804)]