18972184

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 46713600

約数和(自身を除く): 27741416

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1621, 1672, 2926, 3242, 5852, 6484, 11347, 11704, 12968, 17831, 22694, 30799, 35662, 45388, 61598, 71324, 90776, 123196, 124817, 142648, 215593, 246392, 249634, 338789, 431186, 499268, 677578, 862372, 998536, 1355156, 1724744, 2371523, 2710312, 4743046, 9486092, 18972184]

約数ペア:

[(1, 18972184), (2, 9486092), (4, 4743046), (7, 2710312), (8, 2371523), (11, 1724744), (14, 1355156), (19, 998536), (22, 862372), (28, 677578), (38, 499268), (44, 431186), (56, 338789), (76, 249634), (77, 246392), (88, 215593), (133, 142648), (152, 124817), (154, 123196), (209, 90776), (266, 71324), (308, 61598), (418, 45388), (532, 35662), (616, 30799), (836, 22694), (1064, 17831), (1463, 12968), (1621, 11704), (1672, 11347), (2926, 6484), (3242, 5852)]