18853914884

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{217001}}^1$

素因数の和:217148

約数の個数: 48

約数和(自身を含む): 39372842880

約数和(自身を除く): 20518927996

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 107, 116, 203, 214, 406, 428, 749, 812, 1498, 2996, 3103, 6206, 12412, 21721, 43442, 86884, 217001, 434002, 868004, 1519007, 3038014, 6076028, 6293029, 12586058, 23219107, 25172116, 44051203, 46438214, 88102406, 92876428, 162533749, 176204812, 325067498, 650134996, 673354103, 1346708206, 2693416412, 4713478721, 9426957442, 18853914884]

約数ペア:

[(1, 18853914884), (2, 9426957442), (4, 4713478721), (7, 2693416412), (14, 1346708206), (28, 673354103), (29, 650134996), (58, 325067498), (107, 176204812), (116, 162533749), (203, 92876428), (214, 88102406), (406, 46438214), (428, 44051203), (749, 25172116), (812, 23219107), (1498, 12586058), (2996, 6293029), (3103, 6076028), (6206, 3038014), (12412, 1519007), (21721, 868004), (43442, 434002), (86884, 217001)]