18960420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7349}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 35370780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7349, 14698, 22047, 29396, 36745, 44094, 73490, 88188, 110235, 146980, 220470, 316007, 440940, 632014, 948021, 1264028, 1580035, 1896042, 3160070, 3792084, 4740105, 6320140, 9480210, 18960420]

約数ペア:

[(1, 18960420), (2, 9480210), (3, 6320140), (4, 4740105), (5, 3792084), (6, 3160070), (10, 1896042), (12, 1580035), (15, 1264028), (20, 948021), (30, 632014), (43, 440940), (60, 316007), (86, 220470), (129, 146980), (172, 110235), (215, 88188), (258, 73490), (430, 44094), (516, 36745), (645, 29396), (860, 22047), (1290, 14698), (2580, 7349)]