19690434

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 44104320

約数和(自身を除く): 24413886

約数列:

[1, 2, 3, 6, 9, 18, 61, 79, 122, 158, 183, 227, 237, 366, 454, 474, 549, 681, 711, 1098, 1362, 1422, 2043, 4086, 4819, 9638, 13847, 14457, 17933, 27694, 28914, 35866, 41541, 43371, 53799, 83082, 86742, 107598, 124623, 161397, 249246, 322794, 1093913, 2187826, 3281739, 6563478, 9845217, 19690434]

約数ペア:

[(1, 19690434), (2, 9845217), (3, 6563478), (6, 3281739), (9, 2187826), (18, 1093913), (61, 322794), (79, 249246), (122, 161397), (158, 124623), (183, 107598), (227, 86742), (237, 83082), (366, 53799), (454, 43371), (474, 41541), (549, 35866), (681, 28914), (711, 27694), (1098, 17933), (1362, 14457), (1422, 13847), (2043, 9638), (4086, 4819)]