18321290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 36800568

約数和(自身を除く): 18479278

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 293, 338, 370, 481, 586, 845, 962, 1465, 1690, 2405, 2930, 3809, 4810, 6253, 7618, 10841, 12506, 19045, 21682, 31265, 38090, 49517, 54205, 62530, 99034, 108410, 140933, 247585, 281866, 495170, 704665, 1409330, 1832129, 3664258, 9160645, 18321290]

約数ペア:

[(1, 18321290), (2, 9160645), (5, 3664258), (10, 1832129), (13, 1409330), (26, 704665), (37, 495170), (65, 281866), (74, 247585), (130, 140933), (169, 108410), (185, 99034), (293, 62530), (338, 54205), (370, 49517), (481, 38090), (586, 31265), (845, 21682), (962, 19045), (1465, 12506), (1690, 10841), (2405, 7618), (2930, 6253), (3809, 4810)]