18773720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67049}}^1$

素因数の和:67067

約数の個数: 32

約数和(自身を含む): 48276000

約数和(自身を除く): 29502280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67049, 134098, 268196, 335245, 469343, 536392, 670490, 938686, 1340980, 1877372, 2346715, 2681960, 3754744, 4693430, 9386860, 18773720]

約数ペア:

[(1, 18773720), (2, 9386860), (4, 4693430), (5, 3754744), (7, 2681960), (8, 2346715), (10, 1877372), (14, 1340980), (20, 938686), (28, 670490), (35, 536392), (40, 469343), (56, 335245), (70, 268196), (140, 134098), (280, 67049)]