18018780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1777}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 54662832

約数和(自身を除く): 36644052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1777, 2028, 2535, 3380, 3554, 5070, 5331, 7108, 8885, 10140, 10662, 17770, 21324, 23101, 26655, 35540, 46202, 53310, 69303, 92404, 106620, 115505, 138606, 231010, 277212, 300313, 346515, 462020, 600626, 693030, 900939, 1201252, 1386060, 1501565, 1801878, 3003130, 3603756, 4504695, 6006260, 9009390, 18018780]

約数ペア:

[(1, 18018780), (2, 9009390), (3, 6006260), (4, 4504695), (5, 3603756), (6, 3003130), (10, 1801878), (12, 1501565), (13, 1386060), (15, 1201252), (20, 900939), (26, 693030), (30, 600626), (39, 462020), (52, 346515), (60, 300313), (65, 277212), (78, 231010), (130, 138606), (156, 115505), (169, 106620), (195, 92404), (260, 69303), (338, 53310), (390, 46202), (507, 35540), (676, 26655), (780, 23101), (845, 21324), (1014, 17770), (1690, 10662), (1777, 10140), (2028, 8885), (2535, 7108), (3380, 5331), (3554, 5070)]