18916380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15013}}^1$

素因数の和:15035

約数の個数: 72

約数和(自身を含む): 65581152

約数和(自身を除く): 46664772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15013, 30026, 45039, 60052, 75065, 90078, 105091, 135117, 150130, 180156, 210182, 225195, 270234, 300260, 315273, 420364, 450390, 525455, 540468, 630546, 675585, 900780, 945819, 1050910, 1261092, 1351170, 1576365, 1891638, 2101820, 2702340, 3152730, 3783276, 4729095, 6305460, 9458190, 18916380]

約数ペア:

[(1, 18916380), (2, 9458190), (3, 6305460), (4, 4729095), (5, 3783276), (6, 3152730), (7, 2702340), (9, 2101820), (10, 1891638), (12, 1576365), (14, 1351170), (15, 1261092), (18, 1050910), (20, 945819), (21, 900780), (28, 675585), (30, 630546), (35, 540468), (36, 525455), (42, 450390), (45, 420364), (60, 315273), (63, 300260), (70, 270234), (84, 225195), (90, 210182), (105, 180156), (126, 150130), (140, 135117), (180, 105091), (210, 90078), (252, 75065), (315, 60052), (420, 45039), (630, 30026), (1260, 15013)]