18194760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 46086840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 991, 1020, 1080, 1224, 1530, 1836, 1982, 2040, 2295, 2973, 3060, 3672, 3964, 4590, 4955, 5946, 6120, 7928, 8919, 9180, 9910, 11892, 14865, 16847, 17838, 18360, 19820, 23784, 26757, 29730, 33694, 35676, 39640, 44595, 50541, 53514, 59460, 67388, 71352, 84235, 89190, 101082, 107028, 118920, 133785, 134776, 151623, 168470, 178380, 202164, 214056, 252705, 267570, 303246, 336940, 356760, 404328, 454869, 505410, 535140, 606492, 673880, 758115, 909738, 1010820, 1070280, 1212984, 1516230, 1819476, 2021640, 2274345, 3032460, 3638952, 4548690, 6064920, 9097380, 18194760]

約数ペア:

[(1, 18194760), (2, 9097380), (3, 6064920), (4, 4548690), (5, 3638952), (6, 3032460), (8, 2274345), (9, 2021640), (10, 1819476), (12, 1516230), (15, 1212984), (17, 1070280), (18, 1010820), (20, 909738), (24, 758115), (27, 673880), (30, 606492), (34, 535140), (36, 505410), (40, 454869), (45, 404328), (51, 356760), (54, 336940), (60, 303246), (68, 267570), (72, 252705), (85, 214056), (90, 202164), (102, 178380), (108, 168470), (120, 151623), (135, 134776), (136, 133785), (153, 118920), (170, 107028), (180, 101082), (204, 89190), (216, 84235), (255, 71352), (270, 67388), (306, 59460), (340, 53514), (360, 50541), (408, 44595), (459, 39640), (510, 35676), (540, 33694), (612, 29730), (680, 26757), (765, 23784), (918, 19820), (991, 18360), (1020, 17838), (1080, 16847), (1224, 14865), (1530, 11892), (1836, 9910), (1982, 9180), (2040, 8919), (2295, 7928), (2973, 6120), (3060, 5946), (3672, 4955), (3964, 4590)]