19145632

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 41580000

約数和(自身を除く): 22434368

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 109, 176, 218, 352, 436, 499, 872, 998, 1199, 1744, 1996, 2398, 3488, 3992, 4796, 5489, 7984, 9592, 10978, 15968, 19184, 21956, 38368, 43912, 54391, 87824, 108782, 175648, 217564, 435128, 598301, 870256, 1196602, 1740512, 2393204, 4786408, 9572816, 19145632]

約数ペア:

[(1, 19145632), (2, 9572816), (4, 4786408), (8, 2393204), (11, 1740512), (16, 1196602), (22, 870256), (32, 598301), (44, 435128), (88, 217564), (109, 175648), (176, 108782), (218, 87824), (352, 54391), (436, 43912), (499, 38368), (872, 21956), (998, 19184), (1199, 15968), (1744, 10978), (1996, 9592), (2398, 7984), (3488, 5489), (3992, 4796)]