18219819009

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{10987}}^1$

素因数の和:11422

約数の個数: 48

約数和(自身を含む): 29311588800

約数和(自身を除く): 11091769791

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 389, 609, 1167, 1421, 2723, 4263, 8169, 10987, 11281, 19061, 32961, 33843, 57183, 76909, 78967, 230727, 236901, 318623, 538363, 552769, 955869, 1615089, 1658307, 2230361, 4273943, 6691083, 12821829, 15612527, 29917601, 46837581, 89752803, 123944347, 209423207, 371833041, 628269621, 867610429, 2602831287, 6073273003, 18219819009]

約数ペア:

[(1, 18219819009), (3, 6073273003), (7, 2602831287), (21, 867610429), (29, 628269621), (49, 371833041), (87, 209423207), (147, 123944347), (203, 89752803), (389, 46837581), (609, 29917601), (1167, 15612527), (1421, 12821829), (2723, 6691083), (4263, 4273943), (8169, 2230361), (10987, 1658307), (11281, 1615089), (19061, 955869), (32961, 552769), (33843, 538363), (57183, 318623), (76909, 236901), (78967, 230727)]