18308340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2801

約数の個数: 72

約数和(自身を含む): 57057000

約数和(自身を除く): 38748660

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, 2749, 3330, 5498, 6660, 8247, 10996, 13745, 16494, 24741, 27490, 32988, 41235, 49482, 54980, 82470, 98964, 101713, 123705, 164940, 203426, 247410, 305139, 406852, 494820, 508565, 610278, 915417, 1017130, 1220556, 1525695, 1830834, 2034260, 3051390, 3661668, 4577085, 6102780, 9154170, 18308340]

約数ペア:

[(1, 18308340), (2, 9154170), (3, 6102780), (4, 4577085), (5, 3661668), (6, 3051390), (9, 2034260), (10, 1830834), (12, 1525695), (15, 1220556), (18, 1017130), (20, 915417), (30, 610278), (36, 508565), (37, 494820), (45, 406852), (60, 305139), (74, 247410), (90, 203426), (111, 164940), (148, 123705), (180, 101713), (185, 98964), (222, 82470), (333, 54980), (370, 49482), (444, 41235), (555, 32988), (666, 27490), (740, 24741), (1110, 16494), (1332, 13745), (1665, 10996), (2220, 8247), (2749, 6660), (3330, 5498)]