18743270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23834650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 479, 559, 602, 910, 958, 1118, 1505, 2395, 2795, 3010, 3353, 3913, 4790, 5590, 6227, 6706, 7826, 12454, 16765, 19565, 20597, 31135, 33530, 39130, 41194, 43589, 62270, 87178, 102985, 144179, 205970, 217945, 267761, 288358, 435890, 535522, 720895, 1338805, 1441790, 1874327, 2677610, 3748654, 9371635, 18743270]

約数ペア:

[(1, 18743270), (2, 9371635), (5, 3748654), (7, 2677610), (10, 1874327), (13, 1441790), (14, 1338805), (26, 720895), (35, 535522), (43, 435890), (65, 288358), (70, 267761), (86, 217945), (91, 205970), (130, 144179), (182, 102985), (215, 87178), (301, 62270), (430, 43589), (455, 41194), (479, 39130), (559, 33530), (602, 31135), (910, 20597), (958, 19565), (1118, 16765), (1505, 12454), (2395, 7826), (2795, 6706), (3010, 6227), (3353, 5590), (3913, 4790)]