18057420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2333}}^1$

素因数の和:2391

約数の個数: 72

約数和(自身を含む): 56072016

約数和(自身を除く): 38014596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2333, 2580, 3870, 4666, 6999, 7740, 9332, 11665, 13998, 20997, 23330, 27996, 34995, 41994, 46660, 69990, 83988, 100319, 104985, 139980, 200638, 209970, 300957, 401276, 419940, 501595, 601914, 902871, 1003190, 1203828, 1504785, 1805742, 2006380, 3009570, 3611484, 4514355, 6019140, 9028710, 18057420]

約数ペア:

[(1, 18057420), (2, 9028710), (3, 6019140), (4, 4514355), (5, 3611484), (6, 3009570), (9, 2006380), (10, 1805742), (12, 1504785), (15, 1203828), (18, 1003190), (20, 902871), (30, 601914), (36, 501595), (43, 419940), (45, 401276), (60, 300957), (86, 209970), (90, 200638), (129, 139980), (172, 104985), (180, 100319), (215, 83988), (258, 69990), (387, 46660), (430, 41994), (516, 34995), (645, 27996), (774, 23330), (860, 20997), (1290, 13998), (1548, 11665), (1935, 9332), (2333, 7740), (2580, 6999), (3870, 4666)]