17711420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 39567360

約数和(自身を除く): 21855940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 367, 380, 508, 635, 734, 1270, 1468, 1835, 2413, 2540, 3670, 4826, 6973, 7340, 9652, 12065, 13946, 24130, 27892, 34865, 46609, 48260, 69730, 93218, 139460, 186436, 233045, 466090, 885571, 932180, 1771142, 3542284, 4427855, 8855710, 17711420]

約数ペア:

[(1, 17711420), (2, 8855710), (4, 4427855), (5, 3542284), (10, 1771142), (19, 932180), (20, 885571), (38, 466090), (76, 233045), (95, 186436), (127, 139460), (190, 93218), (254, 69730), (367, 48260), (380, 46609), (508, 34865), (635, 27892), (734, 24130), (1270, 13946), (1468, 12065), (1835, 9652), (2413, 7340), (2540, 6973), (3670, 4826)]