198912368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21107}}^1$

素因数の和:21165

約数の個数: 40

約数和(自身を含む): 418782720

約数和(自身を除く): 219870352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 21107, 42214, 84428, 168856, 337712, 401033, 654317, 802066, 1308634, 1604132, 2617268, 3208264, 5234536, 6416528, 10469072, 12432023, 24864046, 49728092, 99456184, 198912368]

約数ペア:

[(1, 198912368), (2, 99456184), (4, 49728092), (8, 24864046), (16, 12432023), (19, 10469072), (31, 6416528), (38, 5234536), (62, 3208264), (76, 2617268), (124, 1604132), (152, 1308634), (248, 802066), (304, 654317), (496, 401033), (589, 337712), (1178, 168856), (2356, 84428), (4712, 42214), (9424, 21107)]