18423780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 54493824

約数和(自身を除く): 36070044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 129, 148, 172, 185, 193, 215, 222, 258, 370, 386, 430, 444, 516, 555, 579, 645, 740, 772, 860, 965, 1110, 1158, 1290, 1591, 1930, 2220, 2316, 2580, 2895, 3182, 3860, 4773, 5790, 6364, 7141, 7955, 8299, 9546, 11580, 14282, 15910, 16598, 19092, 21423, 23865, 24897, 28564, 31820, 33196, 35705, 41495, 42846, 47730, 49794, 71410, 82990, 85692, 95460, 99588, 107115, 124485, 142820, 165980, 214230, 248970, 307063, 428460, 497940, 614126, 921189, 1228252, 1535315, 1842378, 3070630, 3684756, 4605945, 6141260, 9211890, 18423780]

約数ペア:

[(1, 18423780), (2, 9211890), (3, 6141260), (4, 4605945), (5, 3684756), (6, 3070630), (10, 1842378), (12, 1535315), (15, 1228252), (20, 921189), (30, 614126), (37, 497940), (43, 428460), (60, 307063), (74, 248970), (86, 214230), (111, 165980), (129, 142820), (148, 124485), (172, 107115), (185, 99588), (193, 95460), (215, 85692), (222, 82990), (258, 71410), (370, 49794), (386, 47730), (430, 42846), (444, 41495), (516, 35705), (555, 33196), (579, 31820), (645, 28564), (740, 24897), (772, 23865), (860, 21423), (965, 19092), (1110, 16598), (1158, 15910), (1290, 14282), (1591, 11580), (1930, 9546), (2220, 8299), (2316, 7955), (2580, 7141), (2895, 6364), (3182, 5790), (3860, 4773)]