18157920170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{30517}}^1$

素因数の和:30759

約数の個数: 64

約数和(自身を含む): 36914572800

約数和(自身を除く): 18756652630

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 199, 230, 299, 398, 598, 995, 1495, 1990, 2587, 2990, 4577, 5174, 9154, 12935, 22885, 25870, 30517, 45770, 59501, 61034, 119002, 152585, 297505, 305170, 396721, 595010, 701891, 793442, 1403782, 1983605, 3509455, 3967210, 6072883, 7018910, 9124583, 12145766, 18249166, 30364415, 45622915, 60728830, 78947479, 91245830, 139676309, 157894958, 279352618, 394737395, 698381545, 789474790, 1396763090, 1815792017, 3631584034, 9078960085, 18157920170]

約数ペア:

[(1, 18157920170), (2, 9078960085), (5, 3631584034), (10, 1815792017), (13, 1396763090), (23, 789474790), (26, 698381545), (46, 394737395), (65, 279352618), (115, 157894958), (130, 139676309), (199, 91245830), (230, 78947479), (299, 60728830), (398, 45622915), (598, 30364415), (995, 18249166), (1495, 12145766), (1990, 9124583), (2587, 7018910), (2990, 6072883), (4577, 3967210), (5174, 3509455), (9154, 1983605), (12935, 1403782), (22885, 793442), (25870, 701891), (30517, 595010), (45770, 396721), (59501, 305170), (61034, 297505), (119002, 152585)]