19500850

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 18496718

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 127, 166, 185, 254, 370, 415, 635, 830, 925, 1270, 1850, 2075, 3071, 3175, 4150, 4699, 6142, 6350, 9398, 10541, 15355, 21082, 23495, 30710, 46990, 52705, 76775, 105410, 117475, 153550, 234950, 263525, 390017, 527050, 780034, 1950085, 3900170, 9750425, 19500850]

約数ペア:

[(1, 19500850), (2, 9750425), (5, 3900170), (10, 1950085), (25, 780034), (37, 527050), (50, 390017), (74, 263525), (83, 234950), (127, 153550), (166, 117475), (185, 105410), (254, 76775), (370, 52705), (415, 46990), (635, 30710), (830, 23495), (925, 21082), (1270, 15355), (1850, 10541), (2075, 9398), (3071, 6350), (3175, 6142), (4150, 4699)]