19181644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 37558080

約数和(自身を除く): 18376436

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 71, 116, 137, 142, 274, 284, 493, 548, 986, 1207, 1972, 2059, 2329, 2414, 3973, 4118, 4658, 4828, 7946, 8236, 9316, 9727, 15892, 19454, 35003, 38908, 67541, 70006, 135082, 140012, 165359, 270164, 282083, 330718, 564166, 661436, 1128332, 4795411, 9590822, 19181644]

約数ペア:

[(1, 19181644), (2, 9590822), (4, 4795411), (17, 1128332), (29, 661436), (34, 564166), (58, 330718), (68, 282083), (71, 270164), (116, 165359), (137, 140012), (142, 135082), (274, 70006), (284, 67541), (493, 38908), (548, 35003), (986, 19454), (1207, 15892), (1972, 9727), (2059, 9316), (2329, 8236), (2414, 7946), (3973, 4828), (4118, 4658)]