19522278

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 24703722

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 149, 174, 251, 261, 298, 447, 502, 522, 753, 894, 1341, 1506, 2259, 2682, 4321, 4518, 7279, 8642, 12963, 14558, 21837, 25926, 37399, 38889, 43674, 65511, 74798, 77778, 112197, 131022, 224394, 336591, 673182, 1084571, 2169142, 3253713, 6507426, 9761139, 19522278]

約数ペア:

[(1, 19522278), (2, 9761139), (3, 6507426), (6, 3253713), (9, 2169142), (18, 1084571), (29, 673182), (58, 336591), (87, 224394), (149, 131022), (174, 112197), (251, 77778), (261, 74798), (298, 65511), (447, 43674), (502, 38889), (522, 37399), (753, 25926), (894, 21837), (1341, 14558), (1506, 12963), (2259, 8642), (2682, 7279), (4321, 4518)]