18772918

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 12020042

約数列:

[1, 2, 29, 31, 53, 58, 62, 106, 197, 394, 899, 1537, 1643, 1798, 3074, 3286, 5713, 6107, 10441, 11426, 12214, 20882, 47647, 95294, 177103, 302789, 323671, 354206, 605578, 647342, 9386459, 18772918]

約数ペア:

[(1, 18772918), (2, 9386459), (29, 647342), (31, 605578), (53, 354206), (58, 323671), (62, 302789), (106, 177103), (197, 95294), (394, 47647), (899, 20882), (1537, 12214), (1643, 11426), (1798, 10441), (3074, 6107), (3286, 5713)]