19414816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 41028120

約数和(自身を除く): 21613304

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 401, 544, 712, 802, 1424, 1513, 1604, 2848, 3026, 3208, 6052, 6416, 6817, 12104, 12832, 13634, 24208, 27268, 35689, 48416, 54536, 71378, 109072, 142756, 218144, 285512, 571024, 606713, 1142048, 1213426, 2426852, 4853704, 9707408, 19414816]

約数ペア:

[(1, 19414816), (2, 9707408), (4, 4853704), (8, 2426852), (16, 1213426), (17, 1142048), (32, 606713), (34, 571024), (68, 285512), (89, 218144), (136, 142756), (178, 109072), (272, 71378), (356, 54536), (401, 48416), (544, 35689), (712, 27268), (802, 24208), (1424, 13634), (1513, 12832), (1604, 12104), (2848, 6817), (3026, 6416), (3208, 6052)]