19748340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36571}}^1$

素因数の和:36589

約数の個数: 48

約数和(自身を含む): 61440960

約数和(自身を除く): 41692620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36571, 73142, 109713, 146284, 182855, 219426, 329139, 365710, 438852, 548565, 658278, 731420, 987417, 1097130, 1316556, 1645695, 1974834, 2194260, 3291390, 3949668, 4937085, 6582780, 9874170, 19748340]

約数ペア:

[(1, 19748340), (2, 9874170), (3, 6582780), (4, 4937085), (5, 3949668), (6, 3291390), (9, 2194260), (10, 1974834), (12, 1645695), (15, 1316556), (18, 1097130), (20, 987417), (27, 731420), (30, 658278), (36, 548565), (45, 438852), (54, 365710), (60, 329139), (90, 219426), (108, 182855), (135, 146284), (180, 109713), (270, 73142), (540, 36571)]