19579910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 42353280

約数和(自身を除く): 22773370

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1289, 1519, 2170, 2578, 3038, 6445, 7595, 9023, 12890, 15190, 18046, 39959, 45115, 63161, 79918, 90230, 126322, 199795, 279713, 315805, 399590, 559426, 631610, 1398565, 1957991, 2797130, 3915982, 9789955, 19579910]

約数ペア:

[(1, 19579910), (2, 9789955), (5, 3915982), (7, 2797130), (10, 1957991), (14, 1398565), (31, 631610), (35, 559426), (49, 399590), (62, 315805), (70, 279713), (98, 199795), (155, 126322), (217, 90230), (245, 79918), (310, 63161), (434, 45115), (490, 39959), (1085, 18046), (1289, 15190), (1519, 12890), (2170, 9023), (2578, 7595), (3038, 6445)]