19713876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 57647520

約数和(自身を除く): 37933644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2579, 3822, 5158, 7644, 7737, 10316, 15474, 18053, 30948, 33527, 36106, 54159, 67054, 72212, 100581, 108318, 126371, 134108, 201162, 216636, 234689, 252742, 379113, 402324, 469378, 505484, 704067, 758226, 938756, 1408134, 1516452, 1642823, 2816268, 3285646, 4928469, 6571292, 9856938, 19713876]

約数ペア:

[(1, 19713876), (2, 9856938), (3, 6571292), (4, 4928469), (6, 3285646), (7, 2816268), (12, 1642823), (13, 1516452), (14, 1408134), (21, 938756), (26, 758226), (28, 704067), (39, 505484), (42, 469378), (49, 402324), (52, 379113), (78, 252742), (84, 234689), (91, 216636), (98, 201162), (147, 134108), (156, 126371), (182, 108318), (196, 100581), (273, 72212), (294, 67054), (364, 54159), (546, 36106), (588, 33527), (637, 30948), (1092, 18053), (1274, 15474), (1911, 10316), (2548, 7737), (2579, 7644), (3822, 5158)]