20145793518

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59561}}^1$

素因数の和:59654

約数の個数: 96

約数和(自身を含む): 49060028160

約数和(自身を除く): 28914234642

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 43, 46, 57, 69, 86, 114, 129, 138, 171, 207, 258, 342, 387, 414, 437, 774, 817, 874, 989, 1311, 1634, 1978, 2451, 2622, 2967, 3933, 4902, 5934, 7353, 7866, 8901, 14706, 17802, 18791, 37582, 56373, 59561, 112746, 119122, 169119, 178683, 338238, 357366, 536049, 1072098, 1131659, 1369903, 2263318, 2561123, 2739806, 3394977, 4109709, 5122246, 6789954, 7683369, 8219418, 10184931, 12329127, 15366738, 20369862, 23050107, 24658254, 26028157, 46100214, 48661337, 52056314, 58905829, 78084471, 97322674, 117811658, 145984011, 156168942, 176717487, 234253413, 291968022, 353434974, 437952033, 468506826, 530152461, 875904066, 1060304922, 1119210751, 2238421502, 3357632253, 6715264506, 10072896759, 20145793518]

約数ペア:

[(1, 20145793518), (2, 10072896759), (3, 6715264506), (6, 3357632253), (9, 2238421502), (18, 1119210751), (19, 1060304922), (23, 875904066), (38, 530152461), (43, 468506826), (46, 437952033), (57, 353434974), (69, 291968022), (86, 234253413), (114, 176717487), (129, 156168942), (138, 145984011), (171, 117811658), (207, 97322674), (258, 78084471), (342, 58905829), (387, 52056314), (414, 48661337), (437, 46100214), (774, 26028157), (817, 24658254), (874, 23050107), (989, 20369862), (1311, 15366738), (1634, 12329127), (1978, 10184931), (2451, 8219418), (2622, 7683369), (2967, 6789954), (3933, 5122246), (4902, 4109709), (5934, 3394977), (7353, 2739806), (7866, 2561123), (8901, 2263318), (14706, 1369903), (17802, 1131659), (18791, 1072098), (37582, 536049), (56373, 357366), (59561, 338238), (112746, 178683), (119122, 169119)]