19158496

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 45042480

約数和(自身を除く): 25883984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 89, 112, 124, 178, 217, 224, 248, 356, 434, 496, 623, 712, 868, 961, 992, 1246, 1424, 1736, 1922, 2492, 2759, 2848, 3472, 3844, 4984, 5518, 6727, 6944, 7688, 9968, 11036, 13454, 15376, 19313, 19936, 22072, 26908, 30752, 38626, 44144, 53816, 77252, 85529, 88288, 107632, 154504, 171058, 215264, 309008, 342116, 598703, 618016, 684232, 1197406, 1368464, 2394812, 2736928, 4789624, 9579248, 19158496]

約数ペア:

[(1, 19158496), (2, 9579248), (4, 4789624), (7, 2736928), (8, 2394812), (14, 1368464), (16, 1197406), (28, 684232), (31, 618016), (32, 598703), (56, 342116), (62, 309008), (89, 215264), (112, 171058), (124, 154504), (178, 107632), (217, 88288), (224, 85529), (248, 77252), (356, 53816), (434, 44144), (496, 38626), (623, 30752), (712, 26908), (868, 22072), (961, 19936), (992, 19313), (1246, 15376), (1424, 13454), (1736, 11036), (1922, 9968), (2492, 7688), (2759, 6944), (2848, 6727), (3472, 5518), (3844, 4984)]