18115470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 50079744

約数和(自身を除く): 31964274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 151, 155, 186, 215, 258, 279, 302, 310, 387, 430, 453, 465, 558, 645, 755, 774, 906, 930, 1290, 1333, 1359, 1395, 1510, 1935, 2265, 2666, 2718, 2790, 3870, 3999, 4530, 4681, 6493, 6665, 6795, 7998, 9362, 11997, 12986, 13330, 13590, 14043, 19479, 19995, 23405, 23994, 28086, 32465, 38958, 39990, 42129, 46810, 58437, 59985, 64930, 70215, 84258, 97395, 116874, 119970, 140430, 194790, 201283, 210645, 292185, 402566, 421290, 584370, 603849, 1006415, 1207698, 1811547, 2012830, 3019245, 3623094, 6038490, 9057735, 18115470]

約数ペア:

[(1, 18115470), (2, 9057735), (3, 6038490), (5, 3623094), (6, 3019245), (9, 2012830), (10, 1811547), (15, 1207698), (18, 1006415), (30, 603849), (31, 584370), (43, 421290), (45, 402566), (62, 292185), (86, 210645), (90, 201283), (93, 194790), (129, 140430), (151, 119970), (155, 116874), (186, 97395), (215, 84258), (258, 70215), (279, 64930), (302, 59985), (310, 58437), (387, 46810), (430, 42129), (453, 39990), (465, 38958), (558, 32465), (645, 28086), (755, 23994), (774, 23405), (906, 19995), (930, 19479), (1290, 14043), (1333, 13590), (1359, 13330), (1395, 12986), (1510, 11997), (1935, 9362), (2265, 7998), (2666, 6795), (2718, 6665), (2790, 6493), (3870, 4681), (3999, 4530)]