2009225072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{213203}}^1$

素因数の和:213261

約数の個数: 40

約数和(自身を含む): 4229967360

約数和(自身を除く): 2220742288

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 213203, 426406, 852812, 1705624, 3411248, 4050857, 6609293, 8101714, 13218586, 16203428, 26437172, 32406856, 52874344, 64813712, 105748688, 125576567, 251153134, 502306268, 1004612536, 2009225072]

約数ペア:

[(1, 2009225072), (2, 1004612536), (4, 502306268), (8, 251153134), (16, 125576567), (19, 105748688), (31, 64813712), (38, 52874344), (62, 32406856), (76, 26437172), (124, 16203428), (152, 13218586), (248, 8101714), (304, 6609293), (496, 4050857), (589, 3411248), (1178, 1705624), (2356, 852812), (4712, 426406), (9424, 213203)]