19148884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 36004500

約数和(自身を除く): 16855616

約数列:

[1, 2, 4, 19, 38, 76, 89, 149, 178, 298, 356, 361, 596, 722, 1444, 1691, 2831, 3382, 5662, 6764, 11324, 13261, 26522, 32129, 53044, 53789, 64258, 107578, 128516, 215156, 251959, 503918, 1007836, 4787221, 9574442, 19148884]

約数ペア:

[(1, 19148884), (2, 9574442), (4, 4787221), (19, 1007836), (38, 503918), (76, 251959), (89, 215156), (149, 128516), (178, 107578), (298, 64258), (356, 53789), (361, 53044), (596, 32129), (722, 26522), (1444, 13261), (1691, 11324), (2831, 6764), (3382, 5662)]