18637970404

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{2203}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 33902104320

約数和(自身を除く): 15264133916

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 653, 1306, 2203, 2612, 3239, 4406, 6478, 8812, 12956, 26773, 51587, 53546, 90323, 103174, 107092, 174037, 180646, 206348, 348074, 361292, 696148, 1438559, 2115067, 2877118, 4230134, 5754236, 7135517, 8460268, 14271034, 28542068, 58980919, 113646161, 117961838, 227292322, 235923676, 454584644, 4659492601, 9318985202, 18637970404]

約数ペア:

[(1, 18637970404), (2, 9318985202), (4, 4659492601), (41, 454584644), (79, 235923676), (82, 227292322), (158, 117961838), (164, 113646161), (316, 58980919), (653, 28542068), (1306, 14271034), (2203, 8460268), (2612, 7135517), (3239, 5754236), (4406, 4230134), (6478, 2877118), (8812, 2115067), (12956, 1438559), (26773, 696148), (51587, 361292), (53546, 348074), (90323, 206348), (103174, 180646), (107092, 174037)]