18728616848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{542167}}^1$

素因数の和:542319

約数の個数: 40

約数和(自身を含む): 38723807232

約数和(自身を除く): 19995190384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 508, 1016, 2032, 2159, 4318, 8636, 17272, 34544, 542167, 1084334, 2168668, 4337336, 8674672, 9216839, 18433678, 36867356, 68855209, 73734712, 137710418, 147469424, 275420836, 550841672, 1101683344, 1170538553, 2341077106, 4682154212, 9364308424, 18728616848]

約数ペア:

[(1, 18728616848), (2, 9364308424), (4, 4682154212), (8, 2341077106), (16, 1170538553), (17, 1101683344), (34, 550841672), (68, 275420836), (127, 147469424), (136, 137710418), (254, 73734712), (272, 68855209), (508, 36867356), (1016, 18433678), (2032, 9216839), (2159, 8674672), (4318, 4337336), (8636, 2168668), (17272, 1084334), (34544, 542167)]