19551836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 39261600

約数和(自身を除く): 19709764

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 148, 323, 409, 629, 646, 703, 818, 1258, 1292, 1406, 1636, 2516, 2812, 6953, 7771, 11951, 13906, 15133, 15542, 23902, 27812, 30266, 31084, 47804, 60532, 132107, 257261, 264214, 287527, 514522, 528428, 575054, 1029044, 1150108, 4887959, 9775918, 19551836]

約数ペア:

[(1, 19551836), (2, 9775918), (4, 4887959), (17, 1150108), (19, 1029044), (34, 575054), (37, 528428), (38, 514522), (68, 287527), (74, 264214), (76, 257261), (148, 132107), (323, 60532), (409, 47804), (629, 31084), (646, 30266), (703, 27812), (818, 23902), (1258, 15542), (1292, 15133), (1406, 13906), (1636, 11951), (2516, 7771), (2812, 6953)]