18835290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 52056576

約数和(自身を除く): 33221286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 155, 157, 186, 215, 258, 279, 310, 314, 387, 430, 465, 471, 558, 645, 774, 785, 930, 942, 1290, 1333, 1395, 1413, 1570, 1935, 2355, 2666, 2790, 2826, 3870, 3999, 4710, 4867, 6665, 6751, 7065, 7998, 9734, 11997, 13330, 13502, 14130, 14601, 19995, 20253, 23994, 24335, 29202, 33755, 39990, 40506, 43803, 48670, 59985, 60759, 67510, 73005, 87606, 101265, 119970, 121518, 146010, 202530, 209281, 219015, 303795, 418562, 438030, 607590, 627843, 1046405, 1255686, 1883529, 2092810, 3139215, 3767058, 6278430, 9417645, 18835290]

約数ペア:

[(1, 18835290), (2, 9417645), (3, 6278430), (5, 3767058), (6, 3139215), (9, 2092810), (10, 1883529), (15, 1255686), (18, 1046405), (30, 627843), (31, 607590), (43, 438030), (45, 418562), (62, 303795), (86, 219015), (90, 209281), (93, 202530), (129, 146010), (155, 121518), (157, 119970), (186, 101265), (215, 87606), (258, 73005), (279, 67510), (310, 60759), (314, 59985), (387, 48670), (430, 43803), (465, 40506), (471, 39990), (558, 33755), (645, 29202), (774, 24335), (785, 23994), (930, 20253), (942, 19995), (1290, 14601), (1333, 14130), (1395, 13502), (1413, 13330), (1570, 11997), (1935, 9734), (2355, 7998), (2666, 7065), (2790, 6751), (2826, 6665), (3870, 4867), (3999, 4710)]