18366425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 30533760

約数和(自身を除く): 12167335

約数列:

[1, 5, 7, 11, 25, 29, 35, 47, 49, 55, 77, 145, 175, 203, 235, 245, 275, 319, 329, 385, 517, 539, 725, 1015, 1175, 1225, 1363, 1421, 1595, 1645, 1925, 2233, 2303, 2585, 2695, 3619, 5075, 6815, 7105, 7975, 8225, 9541, 11165, 11515, 12925, 13475, 14993, 15631, 18095, 25333, 34075, 35525, 47705, 55825, 57575, 66787, 74965, 78155, 90475, 104951, 126665, 238525, 333935, 374825, 390775, 524755, 633325, 734657, 1669675, 2623775, 3673285, 18366425]

約数ペア:

[(1, 18366425), (5, 3673285), (7, 2623775), (11, 1669675), (25, 734657), (29, 633325), (35, 524755), (47, 390775), (49, 374825), (55, 333935), (77, 238525), (145, 126665), (175, 104951), (203, 90475), (235, 78155), (245, 74965), (275, 66787), (319, 57575), (329, 55825), (385, 47705), (517, 35525), (539, 34075), (725, 25333), (1015, 18095), (1175, 15631), (1225, 14993), (1363, 13475), (1421, 12925), (1595, 11515), (1645, 11165), (1925, 9541), (2233, 8225), (2303, 7975), (2585, 7105), (2695, 6815), (3619, 5075)]