18867530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19742902

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 503, 605, 682, 1006, 1210, 1705, 2515, 3410, 3751, 5030, 5533, 7502, 11066, 15593, 18755, 27665, 31186, 37510, 55330, 60863, 77965, 121726, 155930, 171523, 304315, 343046, 608630, 857615, 1715230, 1886753, 3773506, 9433765, 18867530]

約数ペア:

[(1, 18867530), (2, 9433765), (5, 3773506), (10, 1886753), (11, 1715230), (22, 857615), (31, 608630), (55, 343046), (62, 304315), (110, 171523), (121, 155930), (155, 121726), (242, 77965), (310, 60863), (341, 55330), (503, 37510), (605, 31186), (682, 27665), (1006, 18755), (1210, 15593), (1705, 11066), (2515, 7502), (3410, 5533), (3751, 5030)]