18644605

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 28667520

約数和(自身を除く): 10022915

約数列:

[1, 5, 7, 19, 23, 35, 53, 95, 115, 133, 161, 265, 371, 437, 529, 665, 805, 1007, 1219, 1855, 2185, 2645, 3059, 3703, 5035, 6095, 7049, 8533, 10051, 15295, 18515, 23161, 28037, 35245, 42665, 50255, 70357, 115805, 140185, 162127, 196259, 351785, 532703, 810635, 981295, 2663515, 3728921, 18644605]

約数ペア:

[(1, 18644605), (5, 3728921), (7, 2663515), (19, 981295), (23, 810635), (35, 532703), (53, 351785), (95, 196259), (115, 162127), (133, 140185), (161, 115805), (265, 70357), (371, 50255), (437, 42665), (529, 35245), (665, 28037), (805, 23161), (1007, 18515), (1219, 15295), (1855, 10051), (2185, 8533), (2645, 7049), (3059, 6095), (3703, 5035)]