18144490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 40771584

約数和(自身を除く): 22627094

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 127, 130, 157, 182, 254, 314, 455, 635, 785, 889, 910, 1099, 1270, 1570, 1651, 1778, 2041, 2198, 3302, 4082, 4445, 5495, 8255, 8890, 10205, 10990, 11557, 14287, 16510, 19939, 20410, 23114, 28574, 39878, 57785, 71435, 99695, 115570, 139573, 142870, 199390, 259207, 279146, 518414, 697865, 1296035, 1395730, 1814449, 2592070, 3628898, 9072245, 18144490]

約数ペア:

[(1, 18144490), (2, 9072245), (5, 3628898), (7, 2592070), (10, 1814449), (13, 1395730), (14, 1296035), (26, 697865), (35, 518414), (65, 279146), (70, 259207), (91, 199390), (127, 142870), (130, 139573), (157, 115570), (182, 99695), (254, 71435), (314, 57785), (455, 39878), (635, 28574), (785, 23114), (889, 20410), (910, 19939), (1099, 16510), (1270, 14287), (1570, 11557), (1651, 10990), (1778, 10205), (2041, 8890), (2198, 8255), (3302, 5495), (4082, 4445)]