16378818444

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{160709}}^1$

素因数の和:160887

約数の個数: 72

約数和(自身を含む): 43873830000

約数和(自身を除く): 27495011556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 228, 298, 342, 447, 596, 684, 894, 1341, 1788, 2682, 2831, 5364, 5662, 8493, 11324, 16986, 25479, 33972, 50958, 101916, 160709, 321418, 482127, 642836, 964254, 1446381, 1928508, 2892762, 3053471, 5785524, 6106942, 9160413, 12213884, 18320826, 23945641, 27481239, 36641652, 47891282, 54962478, 71836923, 95782564, 109924956, 143673846, 215510769, 287347692, 431021538, 454967179, 862043076, 909934358, 1364901537, 1819868716, 2729803074, 4094704611, 5459606148, 8189409222, 16378818444]

約数ペア:

[(1, 16378818444), (2, 8189409222), (3, 5459606148), (4, 4094704611), (6, 2729803074), (9, 1819868716), (12, 1364901537), (18, 909934358), (19, 862043076), (36, 454967179), (38, 431021538), (57, 287347692), (76, 215510769), (114, 143673846), (149, 109924956), (171, 95782564), (228, 71836923), (298, 54962478), (342, 47891282), (447, 36641652), (596, 27481239), (684, 23945641), (894, 18320826), (1341, 12213884), (1788, 9160413), (2682, 6106942), (2831, 5785524), (5364, 3053471), (5662, 2892762), (8493, 1928508), (11324, 1446381), (16986, 964254), (25479, 642836), (33972, 482127), (50958, 321418), (101916, 160709)]