19505262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 46891008

約数和(自身を除く): 27385746

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 71, 93, 142, 186, 211, 213, 217, 422, 426, 434, 497, 633, 651, 994, 1266, 1302, 1477, 1491, 2201, 2954, 2982, 4402, 4431, 6541, 6603, 8862, 13082, 13206, 14981, 15407, 19623, 29962, 30814, 39246, 44943, 45787, 46221, 89886, 91574, 92442, 104867, 137361, 209734, 274722, 314601, 464411, 629202, 928822, 1393233, 2786466, 3250877, 6501754, 9752631, 19505262]

約数ペア:

[(1, 19505262), (2, 9752631), (3, 6501754), (6, 3250877), (7, 2786466), (14, 1393233), (21, 928822), (31, 629202), (42, 464411), (62, 314601), (71, 274722), (93, 209734), (142, 137361), (186, 104867), (211, 92442), (213, 91574), (217, 89886), (422, 46221), (426, 45787), (434, 44943), (497, 39246), (633, 30814), (651, 29962), (994, 19623), (1266, 15407), (1302, 14981), (1477, 13206), (1491, 13082), (2201, 8862), (2954, 6603), (2982, 6541), (4402, 4431)]