19445804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 41158656

約数和(自身を除く): 21712852

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 521, 602, 868, 1042, 1204, 1333, 2084, 2666, 3647, 5332, 7294, 9331, 14588, 16151, 18662, 22403, 32302, 37324, 44806, 64604, 89612, 113057, 156821, 226114, 313642, 452228, 627284, 694493, 1388986, 2777972, 4861451, 9722902, 19445804]

約数ペア:

[(1, 19445804), (2, 9722902), (4, 4861451), (7, 2777972), (14, 1388986), (28, 694493), (31, 627284), (43, 452228), (62, 313642), (86, 226114), (124, 156821), (172, 113057), (217, 89612), (301, 64604), (434, 44806), (521, 37324), (602, 32302), (868, 22403), (1042, 18662), (1204, 16151), (1333, 14588), (2084, 9331), (2666, 7294), (3647, 5332)]