19545360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81439}}^1$

素因数の和:81455

約数の個数: 40

約数和(自身を含む): 60591360

約数和(自身を除く): 41046000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81439, 162878, 244317, 325756, 407195, 488634, 651512, 814390, 977268, 1221585, 1303024, 1628780, 1954536, 2443170, 3257560, 3909072, 4886340, 6515120, 9772680, 19545360]

約数ペア:

[(1, 19545360), (2, 9772680), (3, 6515120), (4, 4886340), (5, 3909072), (6, 3257560), (8, 2443170), (10, 1954536), (12, 1628780), (15, 1303024), (16, 1221585), (20, 977268), (24, 814390), (30, 651512), (40, 488634), (48, 407195), (60, 325756), (80, 244317), (120, 162878), (240, 81439)]