18232445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 11627395

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 71, 77, 115, 145, 161, 203, 253, 319, 355, 385, 497, 667, 781, 805, 1015, 1265, 1595, 1633, 1771, 2059, 2233, 2485, 3335, 3905, 4669, 5467, 7337, 8165, 8855, 10295, 11165, 11431, 14413, 17963, 22649, 23345, 27335, 36685, 47357, 51359, 57155, 72065, 89815, 113245, 125741, 158543, 236785, 256795, 331499, 520927, 628705, 792715, 1657495, 2604635, 3646489, 18232445]

約数ペア:

[(1, 18232445), (5, 3646489), (7, 2604635), (11, 1657495), (23, 792715), (29, 628705), (35, 520927), (55, 331499), (71, 256795), (77, 236785), (115, 158543), (145, 125741), (161, 113245), (203, 89815), (253, 72065), (319, 57155), (355, 51359), (385, 47357), (497, 36685), (667, 27335), (781, 23345), (805, 22649), (1015, 17963), (1265, 14413), (1595, 11431), (1633, 11165), (1771, 10295), (2059, 8855), (2233, 8165), (2485, 7337), (3335, 5467), (3905, 4669)]