18530330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2943

約数の個数: 48

約数和(自身を含む): 41799240

約数和(自身を除く): 23268910

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2909, 3185, 5818, 6370, 14545, 20363, 29090, 37817, 40726, 75634, 101815, 142541, 189085, 203630, 264719, 285082, 378170, 529438, 712705, 1323595, 1425410, 1853033, 2647190, 3706066, 9265165, 18530330]

約数ペア:

[(1, 18530330), (2, 9265165), (5, 3706066), (7, 2647190), (10, 1853033), (13, 1425410), (14, 1323595), (26, 712705), (35, 529438), (49, 378170), (65, 285082), (70, 264719), (91, 203630), (98, 189085), (130, 142541), (182, 101815), (245, 75634), (455, 40726), (490, 37817), (637, 29090), (910, 20363), (1274, 14545), (2909, 6370), (3185, 5818)]