18512899580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{738743}}^1$

素因数の和:738938

約数の個数: 48

約数和(自身を含む): 44679237120

約数和(自身を除く): 26166337540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 738743, 1477486, 2954972, 3693715, 5171201, 7387430, 10342402, 14774860, 20684804, 25856005, 51712010, 103424020, 132234997, 264469994, 528939988, 661174985, 925644979, 1322349970, 1851289958, 2644699940, 3702579916, 4628224895, 9256449790, 18512899580]

約数ペア:

[(1, 18512899580), (2, 9256449790), (4, 4628224895), (5, 3702579916), (7, 2644699940), (10, 1851289958), (14, 1322349970), (20, 925644979), (28, 661174985), (35, 528939988), (70, 264469994), (140, 132234997), (179, 103424020), (358, 51712010), (716, 25856005), (895, 20684804), (1253, 14774860), (1790, 10342402), (2506, 7387430), (3580, 5171201), (5012, 3693715), (6265, 2954972), (12530, 1477486), (25060, 738743)]