19978482.000000000

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 385802144

約数和(自身を除く): 238372388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 151, 222, 302, 333, 444, 453, 604, 666, 733, 906, 1332, 1359, 1466, 1812, 2199, 2718, 2932, 4398, 5436, 5587, 6597, 8796, 11174, 13194, 16761, 22348, 26388, 27121, 33522, 50283, 54242, 67044, 81363, 100566, 108484, 110683, 162726, 201132, 221366, 244089, 325452, 332049, 442732, 488178, 664098, 976356, 996147, 1328196, 1992294, 3984588, 4095271, 8190542, 12285813, 16381084, 24571626, 36857439, 49143252, 73714878, 147429756]

約数ペア:

[(1, 147429756), (2, 73714878), (3, 49143252), (4, 36857439), (6, 24571626), (9, 16381084), (12, 12285813), (18, 8190542), (36, 4095271), (37, 3984588), (74, 1992294), (111, 1328196), (148, 996147), (151, 976356), (222, 664098), (302, 488178), (333, 442732), (444, 332049), (453, 325452), (604, 244089), (666, 221366), (733, 201132), (906, 162726), (1332, 110683), (1359, 108484), (1466, 100566), (1812, 81363), (2199, 67044), (2718, 54242), (2932, 50283), (4398, 33522), (5436, 27121), (5587, 26388), (6597, 22348), (8796, 16761), (11174, 13194)]