19614952

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 44593920

約数和(自身を除く): 24978968

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 157, 161, 184, 194, 314, 322, 388, 628, 644, 679, 776, 1099, 1256, 1288, 1358, 2198, 2231, 2716, 3611, 4396, 4462, 5432, 7222, 8792, 8924, 14444, 15229, 15617, 17848, 25277, 28888, 30458, 31234, 50554, 60916, 62468, 101108, 106603, 121832, 124936, 202216, 213206, 350267, 426412, 700534, 852824, 1401068, 2451869, 2802136, 4903738, 9807476, 19614952]

約数ペア:

[(1, 19614952), (2, 9807476), (4, 4903738), (7, 2802136), (8, 2451869), (14, 1401068), (23, 852824), (28, 700534), (46, 426412), (56, 350267), (92, 213206), (97, 202216), (157, 124936), (161, 121832), (184, 106603), (194, 101108), (314, 62468), (322, 60916), (388, 50554), (628, 31234), (644, 30458), (679, 28888), (776, 25277), (1099, 17848), (1256, 15617), (1288, 15229), (1358, 14444), (2198, 8924), (2231, 8792), (2716, 7222), (3611, 5432), (4396, 4462)]