17980830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28541}}^1$

素因数の和:28561

約数の個数: 48

約数和(自身を含む): 53430624

約数和(自身を除く): 35449794

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28541, 57082, 85623, 142705, 171246, 199787, 256869, 285410, 399574, 428115, 513738, 599361, 856230, 998935, 1198722, 1284345, 1798083, 1997870, 2568690, 2996805, 3596166, 5993610, 8990415, 17980830]

約数ペア:

[(1, 17980830), (2, 8990415), (3, 5993610), (5, 3596166), (6, 2996805), (7, 2568690), (9, 1997870), (10, 1798083), (14, 1284345), (15, 1198722), (18, 998935), (21, 856230), (30, 599361), (35, 513738), (42, 428115), (45, 399574), (63, 285410), (70, 256869), (90, 199787), (105, 171246), (126, 142705), (210, 85623), (315, 57082), (630, 28541)]