19924184

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 44712000

約数和(自身を除く): 24787816

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 137, 196, 212, 274, 343, 371, 392, 424, 548, 686, 742, 959, 1096, 1372, 1484, 1918, 2597, 2744, 2968, 3836, 5194, 6713, 7261, 7672, 10388, 13426, 14522, 18179, 20776, 26852, 29044, 36358, 46991, 50827, 53704, 58088, 72716, 93982, 101654, 145432, 187964, 203308, 355789, 375928, 406616, 711578, 1423156, 2490523, 2846312, 4981046, 9962092, 19924184]

約数ペア:

[(1, 19924184), (2, 9962092), (4, 4981046), (7, 2846312), (8, 2490523), (14, 1423156), (28, 711578), (49, 406616), (53, 375928), (56, 355789), (98, 203308), (106, 187964), (137, 145432), (196, 101654), (212, 93982), (274, 72716), (343, 58088), (371, 53704), (392, 50827), (424, 46991), (548, 36358), (686, 29044), (742, 26852), (959, 20776), (1096, 18179), (1372, 14522), (1484, 13426), (1918, 10388), (2597, 7672), (2744, 7261), (2968, 6713), (3836, 5194)]