19720171198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{8527}}^1$

素因数の和:8777

約数の個数: 64

約数和(自身を含む): 37066917888

約数和(自身を除く): 17346746690

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 131, 182, 194, 262, 679, 917, 1261, 1358, 1703, 1834, 2522, 3406, 8527, 8827, 11921, 12707, 17054, 17654, 23842, 25414, 59689, 88949, 110851, 119378, 165191, 177898, 221702, 330382, 775957, 827119, 1117037, 1156337, 1551914, 1654238, 2234074, 2312674, 5789833, 7819259, 10752547, 11579666, 14521481, 15638518, 21505094, 29042962, 75267829, 101650367, 108352589, 150535658, 203300734, 216705178, 758468123, 1408583657, 1516936246, 2817167314, 9860085599, 19720171198]

約数ペア:

[(1, 19720171198), (2, 9860085599), (7, 2817167314), (13, 1516936246), (14, 1408583657), (26, 758468123), (91, 216705178), (97, 203300734), (131, 150535658), (182, 108352589), (194, 101650367), (262, 75267829), (679, 29042962), (917, 21505094), (1261, 15638518), (1358, 14521481), (1703, 11579666), (1834, 10752547), (2522, 7819259), (3406, 5789833), (8527, 2312674), (8827, 2234074), (11921, 1654238), (12707, 1551914), (17054, 1156337), (17654, 1117037), (23842, 827119), (25414, 775957), (59689, 330382), (88949, 221702), (110851, 177898), (119378, 165191)]