18494820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 57637944

約数和(自身を除く): 39143124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2777, 3330, 5554, 6660, 8331, 11108, 13885, 16662, 24993, 27770, 33324, 41655, 49986, 55540, 83310, 99972, 102749, 124965, 166620, 205498, 249930, 308247, 410996, 499860, 513745, 616494, 924741, 1027490, 1232988, 1541235, 1849482, 2054980, 3082470, 3698964, 4623705, 6164940, 9247410, 18494820]

約数ペア:

[(1, 18494820), (2, 9247410), (3, 6164940), (4, 4623705), (5, 3698964), (6, 3082470), (9, 2054980), (10, 1849482), (12, 1541235), (15, 1232988), (18, 1027490), (20, 924741), (30, 616494), (36, 513745), (37, 499860), (45, 410996), (60, 308247), (74, 249930), (90, 205498), (111, 166620), (148, 124965), (180, 102749), (185, 99972), (222, 83310), (333, 55540), (370, 49986), (444, 41655), (555, 33324), (666, 27770), (740, 24993), (1110, 16662), (1332, 13885), (1665, 11108), (2220, 8331), (2777, 6660), (3330, 5554)]