19452950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 39948336

約数和(自身を除く): 20495386

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 113, 226, 275, 313, 550, 565, 626, 1130, 1243, 1565, 2486, 2825, 3130, 3443, 5650, 6215, 6886, 7825, 12430, 15650, 17215, 31075, 34430, 35369, 62150, 70738, 86075, 172150, 176845, 353690, 389059, 778118, 884225, 1768450, 1945295, 3890590, 9726475, 19452950]

約数ペア:

[(1, 19452950), (2, 9726475), (5, 3890590), (10, 1945295), (11, 1768450), (22, 884225), (25, 778118), (50, 389059), (55, 353690), (110, 176845), (113, 172150), (226, 86075), (275, 70738), (313, 62150), (550, 35369), (565, 34430), (626, 31075), (1130, 17215), (1243, 15650), (1565, 12430), (2486, 7825), (2825, 6886), (3130, 6215), (3443, 5650)]