19951764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 55742400

約数和(自身を除く): 35790636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 449, 483, 529, 644, 898, 966, 1058, 1347, 1587, 1796, 1932, 2116, 2694, 3143, 3174, 3703, 5388, 6286, 6348, 7406, 9429, 10327, 11109, 12572, 14812, 18858, 20654, 22218, 30981, 37716, 41308, 44436, 61962, 72289, 123924, 144578, 216867, 237521, 289156, 433734, 475042, 712563, 867468, 950084, 1425126, 1662647, 2850252, 3325294, 4987941, 6650588, 9975882, 19951764]

約数ペア:

[(1, 19951764), (2, 9975882), (3, 6650588), (4, 4987941), (6, 3325294), (7, 2850252), (12, 1662647), (14, 1425126), (21, 950084), (23, 867468), (28, 712563), (42, 475042), (46, 433734), (69, 289156), (84, 237521), (92, 216867), (138, 144578), (161, 123924), (276, 72289), (322, 61962), (449, 44436), (483, 41308), (529, 37716), (644, 30981), (898, 22218), (966, 20654), (1058, 18858), (1347, 14812), (1587, 12572), (1796, 11109), (1932, 10327), (2116, 9429), (2694, 7406), (3143, 6348), (3174, 6286), (3703, 5388)]