18344800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 72

約数和(自身を含む): 46778256

約数和(自身を除く): 28433456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 997, 1150, 1840, 1994, 2300, 3680, 3988, 4600, 4985, 7976, 9200, 9970, 15952, 18400, 19940, 22931, 24925, 31904, 39880, 45862, 49850, 79760, 91724, 99700, 114655, 159520, 183448, 199400, 229310, 366896, 398800, 458620, 573275, 733792, 797600, 917240, 1146550, 1834480, 2293100, 3668960, 4586200, 9172400, 18344800]

約数ペア:

[(1, 18344800), (2, 9172400), (4, 4586200), (5, 3668960), (8, 2293100), (10, 1834480), (16, 1146550), (20, 917240), (23, 797600), (25, 733792), (32, 573275), (40, 458620), (46, 398800), (50, 366896), (80, 229310), (92, 199400), (100, 183448), (115, 159520), (160, 114655), (184, 99700), (200, 91724), (230, 79760), (368, 49850), (400, 45862), (460, 39880), (575, 31904), (736, 24925), (800, 22931), (920, 19940), (997, 18400), (1150, 15952), (1840, 9970), (1994, 9200), (2300, 7976), (3680, 4985), (3988, 4600)]