19102408

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 20425592

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 199, 284, 338, 398, 568, 676, 796, 923, 1352, 1592, 1846, 2587, 3692, 5174, 7384, 10348, 11999, 14129, 20696, 23998, 28258, 33631, 47996, 56516, 67262, 95992, 113032, 134524, 183677, 269048, 367354, 734708, 1469416, 2387801, 4775602, 9551204, 19102408]

約数ペア:

[(1, 19102408), (2, 9551204), (4, 4775602), (8, 2387801), (13, 1469416), (26, 734708), (52, 367354), (71, 269048), (104, 183677), (142, 134524), (169, 113032), (199, 95992), (284, 67262), (338, 56516), (398, 47996), (568, 33631), (676, 28258), (796, 23998), (923, 20696), (1352, 14129), (1592, 11999), (1846, 10348), (2587, 7384), (3692, 5174)]